Question: Which Gujarati city is known to be the 3rd "cleanest city of India"?  

Context paragraphs:
List of tallest buildings in Mangalore: Mangalore ( ), "Mangaluru" in Kannada, "Kudla" in Tulu, "Kodiyāl" in Konkani and "Maikāla" in Beary bashe), is the chief port city and a commercial-industrial-educational hub of the Indian state of Karnataka.  Mangalore city has lots of skyscrapers and it has got some of the tallest skyscrapers in South India.  It is developing like Mumbai and Dubai of South India, in terms of skyscrapers and highrises.  It is located about 350 km west of the state capital, Bangalore.  Mangalore lies between the Arabian Sea and the Western Ghat mountain ranges, and is the administrative headquarters of the Dakshina Kannada (formerly "South Canara") district in south western Karnataka.  With its pristine beaches, broad roads and calm localities this coastal city was declared the eighth cleanest city in India in 2010.  Mangalore is one of the biggest commercial-industrial hubs of South India.  It is the richest city in Karnataka after Bangalore.  Mangalore ranked India's 13th place in top business destination and in Karnataka its second after Bangalore.

Bilaspur, Chhattisgarh: Bilaspur is a city in Bilaspur District in the Indian state of Chhattisgarh, situated 133 km (83 miles) north of the state capital, Naya Raipur.  With a population of 693,851, it is the second-largest city after Raipur-Bhilai-Durg Tri City Metro area.  The Chhattisgarh State High Court, located at village Bodri, District Bilaspur has privileged it with the title 'Nyayadhani' ((Hindi: न्याय धानी ) Law Capital) of the state.  The Bilaspur High Court is the largest High Court of Asia.  Bilaspur is the administrative headquarters of Bilaspur District.  This city is the commercial center and business hub of North East Chhattisgarh region.  It is also an important city for the Indian Railways, as it is the headquarters for South East Central Railway Zone and the Bilaspur Railway Division.  Bilaspur is 3rd cleanest and 4th longest railway station in India.  Approximately 20% of the total earnings of Indian railways come from South East Central Railway.  Bilaspur is also the headquarters of South Eastern Coalfields Limited.

Khargone: Khargone is a town in Madhya Pradesh state of in India.  It is the administrative headquarters of the Khargone district (formerly known as West Nimar).  Several major administrative offices of the Khargone District, including the collectorate, police, telecom and various other government organizations are located in the town.  The city is situated at the bank of Kunda river and is famous for its cotton and chilly (chili pepper) production.  It is also known for Navgraha Mandir, a temple devoted to the "nav grahas" (nine planets).  Khargone topped the nation in municipality and received a national award for 'India's Fastest Moving City' under a population of two lakh.  It was ranked the 17th cleanest city in India in Swachh Survekshan 2017.

List of tourist attractions in Surat: Surat is a principle business hub of the Indian state Gujarat, the eighth largest city and ninth largest urban agglomeration.  Surat is the 3rd cleanest city of India.  and 4th fastest growing city of the world.  Surat is also famous for its food, besides being the hub of diamonds and textiles in India, and one of the country's oldest cities.

Bijpur, North 24 Parganas: Bijpur is a city with a police station in Barrackpore subdivision of North 24 Parganas district in the state of West Bengal, India.  It has a rich heritage.  It mainly consists of three adjacent towns, namely Kanchrapara, Halisahar, and Hazinagar, the largest being Kanchrapara, with an area of 9.8 sq. km.  The town, Kanchrapara, is old and developed towns.  In recent years, the area of Kanchrapara has attracted large multinational business companies, including.  There is Kanchrapara Railway Workshop, near Bijpur police station which was established in 1863, now serving as a department of the Indian Railways.  Halisahar is another town lying to the south of Kanchrapara.  It ranked first in the category of the cleanest city of West Bengal.  This town has the well knowned Ramprasad Kalibaari or birth place of Ramprasad Sen.  Hazinagar is a sub-urban area, slightly underdeveloped than Kanchrapara and Halisahar.  The maximum area of Bijpur situated in the bank of Bhagirathi River.

Sir P. T. Sarvajanik College of Science: Sir P.T. Sarvajanik College of Science is a science graduation college in Surat, Gujarat, India.

3rd Battalion, 3rd Marines: 3rd Battalion, 3rd Marines, abbreviated as (3/3), is an infantry battalion of the United States Marine Corps, based out of Kāne'ohe, Hawai'i.  Known as either "Trinity" or "America's Battalion", the unit falls under the command of the 3rd Marine Regiment of the 3rd Marine Division.  The unit consists of approximately 1124 U.S. Marines and United States Navy sailors.  Like most battalions of the U.S. Marine Corps, 3rd Battalion, 3rd Marines is made up of three rifle companies (India, Kilo, and Lima), a Headquarters and Services (H&S) company, and a weapons company.  The battalion was originally formed at Marine Corps Base Camp Lejeune, North Carolina in 1942 and saw action on both Bougainville and Guam during World War II, where it was awarded the first of its Presidential Unit Citations for "gallantry, determination, and esprit de corps in accomplishing its mission under extremely difficult and hazardous conditions"; and the first of its Navy Unit Commendations for "outstanding service".  Marines in the battalion were also awarded one Medal of Honor and seven Navy Crosses during the war.  Following World War II, 3rd Battalion was disbanded until 1951, when it was reformed in California.  The battalion was alerted for possible deployment during the 1956 Suez War and the 1958 intervention in Lebanon.  In 1965, the Marines of 3rd Battalion were deployed to the Vietnam War and participated in Operation Starlite, the first major Marine engagement of that conflict.  The battalion continued to see major action through Vietnam and was rotated back to the United States in 1969.  Famous alumni from its time in Vietnam include Corporal Robert Emmett O'Malley, the first Marine in Vietnam to be awarded the Medal of Honor, Oliver North, and John Ripley.  Around the end of the Vietnam War, the Battalion was deactivated for a second time in 1974.

Suryadevara Ramachandra Rao: Suryadevara Ramachandra Rao is an Indian civil servant and the former Municipal Commissioner of the Surat, a large metropolitan city in the Indian state of Gujarat.  He is best known for his developmental efforts during the 1994 epidemic of plague and for transforming it from a dirty city into one of the cleanest in India, with the city being rated as the second cleanest in India, after Chandigarh, in a survey conducted by the Indian National Trust for Arts and Culture.  Later he became the chairman of the Visakhapatnam Port Trust and during his tenure there, the port is reported to have become a major port in India.  He also served as the Secretary of the Ministry of Communications and Information Technology and the Ministry of Commerce and Industry.  He was awarded the fourth highest civilian award of the Padma Shri by the Government of India, in 1998, making him one of the few civil servants to be awarded Padma honours while in service.  He is also a recipient of the Tirupathi Raju Memorial Award.

Surat: Surat is an Indian port city previously known as Suryapur.  It is the economic capital and former princely state in the Indian state of Gujarat.  It is the eighth largest city and ninth largest urban agglomeration in India.  Surat is the 3rd "cleanest city of India" according to the Indian Ministry of Urban Development, and 4th fastest growing city of the world.  Surat is famous for its food, textile, and diamonds.  Surat polishes over 90 percent of the world's rough diamond.

Suvali Beach: Suvali Beach (Gujarati: સુવાલી બીચ ) was previously known as Swally (anglicised version of Suvali) or Swally Beach.  Suvali Beach is an urban beach along the Arabian Sea situated near the village of Suvali in the Hazira suburb of Surat in Gujarat State, India.  The black sand beach lies 25 km from the centre of Surat and is the cleanest beach in India.

Supporting paragraphs: Sir P. T. Sarvajanik College of Science Surat
Answer: Surat