Please answer the following question: Information: - Delhi (Dilli) , officially the National Capital Territory of Delhi, is a city and a union territory of India. It is bordered by Haryana on three sides and by Uttar Pradesh to the east. It is the most expansive city in Indiaabout . It has a population of about 25 million, making it the second most populous city after Mumbai and most populous urban agglomeration in India and 3 largest urban area in the world. Urban expansion in Delhi has caused it to grow beyond the NCT to incorporate towns in neighbouring states. At its largest extent, there is a population of about 25 million residents . According to data released by Oxford Economics, Delhi NCR urban agglomeration has replaced Mumbai Metropolitan Region urban agglomeration as the economic capital of India. However the comparison of the figures specific to the Metropolis of Delhi and Metropolis of Mumbai was not provided by this institution. These figures however did not match with those revealed by the reserve bank of India, The economic survey of India, The economic survey of Delhi and Maharashtra. - Assam (; "Oxom" ; "Asam"; "Asham" ) is a state in northeastern India. Located south of the eastern Himalayas, Assam comprises the Brahmaputra Valley and the Barak Valley along with the Karbi Anglong and Dima Hasao districts with an area of . Assam, along with Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, and Meghalaya, is one of the "Seven Sister States". Geographically, Assam and these states are connected to the rest of India via a strip of land in West Bengal called the Siliguri Corridor or "Chicken's Neck". Assam shares an international border with Bhutan and Bangladesh; and its culture, people and climate are similar to those of South-East Asia comprising the elements in Indias Look East policy. - Kolkata Municipal Corporation or KMC (formerly Calcutta Municipal Corporation or CMC) is responsible for the civic infrastructure and administration of the city of Kolkata. This civic administrative body administers an area of 200.71km. Its motto, "Purosree Bibardhan", is inscribed on its emblem in Bengali script. KMC is headed by Sovan Chatterjee the present Mayor of Kolkata. Structure. The KMC was established in 2003. Under the guidance of the first Minister of Local Self-Government in Bengal, Sir Surendranath Banerjee, the Calcutta Municipal Act of 1923 made provision for the enfranchisement of women and the election of a Mayor annually; the first was Chittaranjan Das with NIYAZ Ahamed as his Chief Executive Officer. Later mayors include Deshapriya Jatindra Mohan Sengupta, Bidhan Chandra Roy, Nalini Ranjan Sarkar, Abul Kasem Fazlul Haque, and for the 2010-2015 term, Sovan Chatterjee. - East India is a region of India consisting of the Indian states of Bihar, Jharkhand, West Bengal, Odisha and also the union territory Andaman and Nicobar Islands. West Bengal's capital Kolkata is the largest city of this region. The Kolkata Metropolitan Area is the country's third largest. The states of Odisha and West Bengal share some cultural and linguistic characteristics with Bangladesh. Odisha is the only state of India, which has a classical language Odia, a classical dance Odissi and a classical music Odissi music. Bengali is the most spoken language of this region and it is also the second most spoken language in India after Hindi. Odia is the only language in east India accorded the status of a Classical Language of India. Together with Bangladesh, West Bengal formed the ethno-linguistic region of Bengal before partition in 1947. The modern state of Odisha was known as Kalinga, Odra desha and Utkala in ancient times. It was ruled by indigenous rulers of the Mahameghavahana dynasty, Eastern Ganga dynasty and Gajapati Dynasty. - The Hooghly River ("Hugli"; Anglicized alternatively spelled "Hoogli" or "Hugli") or the Bhgirathi-Hooghly, called 'Ganga' traditionally, is an approximately distributary of the Ganga river in West Bengal, India. It splits from the Ganges as a canal in Murshidabad District at the Farakka Barrage. The town of Hugli-Chinsura, formerly Hooghly, is located on the river, in the Hooghly (district). The origins of the "Hooghly" name are uncertain, whether the city or the river was named first. - Odisha(formerly Orissa) (() is one of the 29 states of India, located in the eastern coast. It is surrounded by the states of West Bengal to the north-east, Jharkhand to the north, Chhattisgarh to the west and north-west, Andhra Pradesh and Telangana to the south and south-west. Odisha has of coastline along the Bay of Bengal on its east, from Balasore to Malkangiri. It is the 9th largest state by area, and the 3rd largest by tribal population .Odia (formerly known as "Oriya") is the official and most widely spoken language, spoken by 33.2 million according to the 2001 Census. - The Bay of Bengal, the largest bay in the world, forms the northeastern part of the Indian Ocean. Roughly triangular, it is bordered mostly by India and Sri Lanka to the west, Bangladesh to the north, and Myanmar (Burma) and the Andaman and Nicobar Islands (India) to the east. - Bihar is a state in the eastern part of India. It is the 13th-largest state of India, with an area of . The third-largest state of India by population, it is contiguous with Uttar Pradesh to its west, Nepal to the north, the northern part of West Bengal to the east, with Jharkhand to the south. The Bihar plain is split by the river Ganges which flows from west to east. - India, officially the Republic of India ("Bhrat Gaarjya"), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country (with over 1.2 billion people), and the most populous democracy in the world. It is bounded by the Indian Ocean on the south, the Arabian Sea on the southwest, and the Bay of Bengal on the southeast. It shares land borders with Pakistan to the west; China, Nepal, and Bhutan to the northeast; and Myanmar (Burma) and Bangladesh to the east. In the Indian Ocean, India is in the vicinity of Sri Lanka and the Maldives. India's Andaman and Nicobar Islands share a maritime border with Thailand and Indonesia. Its capital is New Delhi; other metropolises include Mumbai, Kolkata, Chennai, Bangalore, Hyderabad and Ahmedabad. - Jharkhand ("Bushland") is a state in eastern India carved out of the southern part of Bihar on 15 November 2000. The state shares its border with the states of Bihar to the north, Uttar Pradesh to the north-west, Chhattisgarh to the west, Odisha to the south, and West Bengal to the east. It has an area of . The city of Ranchi is its capital while the industrial city of Jamshedpur is the most populous city of the state. - Bengal (bgl; Bengali: , and ) is a region in Asia which is located in the eastern part of the Indian subcontinent at the apex of the Bay of Bengal. Geographically, it is made up by the Ganges-Brahmaputra delta system, the largest such formation in the world; along with mountains in its north (bordering the Himalayan states) and east (bordering Northeast India and Burma). - The Port of Kolkata is a riverine port in the city of Kolkata, India, located around from the sea. It is the oldest operating port in India, and was constructed by the British East India Company. - Bikash Ranjan Bhattacharya or Bikash Bhattacharya ( Bengali ) is an Indian politician . He served as mayor of Kolkata 2005 - 2010 , heading the Kolkata municipal corporation , in the state of West Bengal . - Mumbai (also known as Bombay, the official name until 1995) is the capital city of the Indian state of Maharashtra. It is the most populous city in India and the ninth most populous agglomeration in the world, with an estimated city population of 18.4million. Along with the neighbouring regions of the Mumbai Metropolitan Region, it is one of the most populous urban regions in the world and the second most populous metropolitan area in India, with a population of 20.7million . Mumbai lies on the west coast of India and has a deep natural harbour. In 2009, Mumbai was named an alpha world city. It is also the wealthiest city in India, and has the highest GDP of any city in South, West, or Central Asia. Mumbai has the highest number of billionaires and millionaires among all cities in India. - Nalini Ranjan Sarkar (188225 January 1953) was an Indian businessman, industrialist, economist, public leader, and was greatly involved in the political and economic regeneration of Bengal. He was Finance Minister of West Bengal in 1948. The Sarkar Committee Report was instrumental in the subsequent establishment of the five Indian Institutes of Technology (IITs) by the Government of India. - Bidhan Chandra Roy, MRCP, FRCS (Bengali: ; 1 July 1882 1 July 1962) was the second Chief Minister of West Bengal in India. He remained in his post for 14 years as an Indian National Congress candidate, from 1948 until his death in 1962. He was a highly respected physician and a renowned freedom fighter. Bidhan Roy is often considered the great architect of West Bengal, who founded five eminent cities, Durgapur, Kalyani, Bidhannagar, Ashokenagar, and Habra. He was an alumnus of the Medical College Calcutta of the University of Calcutta. He is one of the few people in history who was able to complete his F.R.C.S. and M.R.C.P. degrees simultaneously (within only two years and three months). In India, the "National Doctors' Day" is celebrated on the date of his birth (and death) 1 July every year. Dr. Bidhan Chandra Roy constituted a trust for his properties at Patna for social service and made eminent nationalist Ganga Sharan Singh (Sinha) the trustee. He was awarded Bharat Ratna on 4 February 1961, India's highest civilian honour. He was also a member of the Brahmo Samaj. - Bangladesh ( , "The country of Bengal"), officially the People's Republic of Bangladesh ( "Gonoprojatontri Bangladesh"), is a country in South Asia. It shares land borders with India and Myanmar (Burma). Nepal, Bhutan and China are located near Bangladesh but do not share a border with it. The country's maritime territory in the Bay of Bengal is roughly equal to the size of its land area. Bangladesh is the world's eighth most populous country. Dhaka is its capital and largest city, followed by Chittagong which has the country's largest port. - Sikkim is a northeastern state of India. It borders China in its north and east, Bhutan in its east, Nepal in its west and the Indian state of West Bengal in its south. Sikkim is also located close to the Siliguri Corridor near Bangladesh. Sikkim is the least populous and second smallest among the Indian states. A part of the Eastern Himalaya, Sikkim is notable for its biodiversity, including alpine and subtropical climates, as well as being a host to Kanchenjunga, the highest peak in India and third highest on Earth. Sikkim's capital and largest city is Gangtok. Almost 25% of the state is covered by the Khangchendzonga National Park. - Nepal, officially the Federal Democratic Republic of Nepal, is a landlocked central Himalayan country in South Asia. It has a population of 26.4 million and is the 93rd largest country by area. Bordering China in the north and India in the south, east, and west, it is the largest sovereign Himalayan state. Nepal does not border Bangladesh, which is located within only 27 km (17 mi) of its southeastern tip. It neither borders Bhutan due to the Indian state of Sikkim being located in between. Nepal has a diverse geography, including fertile plains, subalpine forested hills, and eight of the world's ten tallest mountains, including Mount Everest, the highest point on Earth. Kathmandu is the nation's capital and largest city. It is a multiethnic nation with Nepali as the official language. - West Bengal is an Indian state, located in East India on the Bay of Bengal. It is India's fourth-most populous state, with over 91 million inhabitants. It has a total area of , making it similar in size to Serbia. A part of the ethno-linguistic Bengal region, it borders Bangladesh in the east and Nepal and Bhutan in the north. It also has borders with five Indian states, including Odisha, Jharkhand, Bihar, Sikkim and Assam. - Bhutan ('), officially the Kingdom of Bhutan ('), is a landlocked country and the smallest state in Asia to be located entirely within the Himalaya mountain range. Located in the Eastern Himalayas, it is bordered by China in the north and India in the south. Bhutan lacks a border with nearby Nepal due to the Indian state of Sikkim and with Bangladesh due to the Indian states of West Bengal and Assam. Bhutan is geopolitically in South Asia and is the region's second least populous nation after the Maldives. Thimphu is its capital and largest city, while Phuntsholing is its financial center. - Kolkata (, also known as Calcutta , the official name until 2001) is the capital of the Indian state of West Bengal. Located on the east bank of the Hooghly River, it is the principal commercial, cultural, and educational centre of East India, while the Port of Kolkata is India's oldest operating port and its sole major riverine port. In 2011, the city had population of 4.5million, while the population of the city and its suburbs was 14.1million, making it the third-most populous metropolitan area in India. In 2008 its gross domestic product (adjusted for purchasing power parity) was estimated to be 104 billion, which was the third highest among Indian cities, behind Mumbai and Delhi. Given the information above, choose from the list below the object entity that exhibits the relation 'educated at' with the subject 'bikash ranjan bhattacharya'. Choices: - chennai - india - indian institutes of technology - university of calcutta
A:
university of calcutta