Question: What is the name of one of the holiest places in India to Hindus that used to be accessible via the MG Ganga Kavery Express?

full_context: Document 1: Shipra Express: The Shipra Express (Hindi: इंदौर - हावड़ा क्षिप्रा एक्सप्रेस Bengali: ইন্দোরে - হাওড়া শিপ্রা এক্সপ্রেস, Urdu:حافظة شبرا إكسبرس - اندر) (pronounced as Shiprã Express) is a tri-weekly super fast express train of Indian Railways, which runs between Indore Junction railway station of Indore, the largest city & commercial hub of Central Indian state Madhya Pradesh and Howrah, the commercial hub of Kolkata. The name 'Kshipra' signifies the Shipra River, one of the holiest river of Hindus near Ujjain City.
Document 2: Thamirabarani River: The Thamirabarani River (Porunai) (Tamil: தாமிரபரணி(பொருனை)) is a perennial river that originates over there . It flows through Tirunelveli and Tuticorin districts of the Tamil Nadu state of southern India into the Gulf of Mannar. It was called the Tamraparni River in the pre-classical period, a name it lent to the island of Sri Lanka. The old Tamil name of the river is Porunai. From the source to sea, the river is about 128 km long and is the only perennial river in South India. It is the only river in India that flows towards North direction. However it changes to South direction later.
Document 3: Vasco Chennai Express: The Vasco da Gama Chennai Express is an express train belonging to Indian Railways that runs between Vasco da Gama and Chennai Central in India.
Document 4: Gwalior–Chhindwara Express: The Gwalior - Chhindwara Express is a bi-weekly express train which will run between Gwalior Junction railway station of Gwalior and Chhindwara Junction railway station of Chhindwara. Both the cities are located in Madhya Pradesh. Recently Indian Railways Extended the train Up to Delhi Sarai Rohilla.
Document 5: Ganga Kaveri Express: Ganga Kaveri Express is a Bi-weekly Superfast train service operated by Indian Railways, connecting Chennai in Southern India to Chhapra in Bihar. Inaugurated on 16 February 1977 by Kamalpati Tripathi, between Madras (now Chennai) and Varanasi, was terminating at Chennai Beach Station, from where MG Ganga Kaveri Express used to run to Rameswaram through the Kaveri river basin.
Document 6: Sapt Kranti Express: The Sapt Kranti Express is a superfast train service of Indian Railways running between Muzaffarpur Railway Station and Anand Vihar Terminal Railway Station. This Train is operated by the East Central Railway zone of Indian Railways. Its inaugural run was on 1 July 2002. Its terminal station was changed from New Delhi Railway Station to Anand Vihar Terminal from 2 December 2010. It is designated by Train nos. 12557 UP and 12558 DN. Major stops are Motihari, Bettiah, Narkatiaganj, Gorakhpur, Lucknow and Moradabad. In July 2002 it became the first broad gauge superfast train to pass through Champaran districts. The train has its name based on the Sapt Kranti movement led by Ram Manohar Lohia. It is an certified Train.
Document 7: Shiv Ganga Express: Shiv Ganga Express is an Indian Super-fast train of North Eastern Railway Zone Varanasi named after the two jewels of Varanasi: Lord Shiva and the Ganges river. The main towns along the route are Allahabad and Kanpur.It was passed in 2002's Railway Budget and hence initiated its journey from 1 July 2002 It operates daily and covers a distance of 755 km from Manduadih railway station to New Delhi. Shiv Ganga Express originally consisted of 24 ICF coaches which includes 1 First AC coach, 1 Second AC coach, 4 Third AC coach, 10 Sleeper Class coaches,5 General (Un-Reserved) coaches, Pantry Car and 2 SLR overall 24 coaches that makes it one of the longest trains in India. Shiv Ganga Express is usually hauled by a WDM 3A Locomotive from Manduadih to Allahabad Jn and by a WAP 4 or a WAP 5 Locomotive from Allahabad Jn to New Delhi. It is considered as the best train between New Delhi and Varanasi. It has got a maximum speed of 110 kph . It is one of the few Superfast trains which pass through Manduadih-Madho Singh-Allahabad section. This train is now running with 22 LHB Coaches from 16 June 2015 which includes 1 First AC Coach (H1), 1 Second AC Coach (A1), 4 Third AC Coaches (B1-B4), 10 Sleeper Class Coaches (S1-S10), 3 General (Un-Reserved) Coaches, Pantry Car and 2 EOG (End-on Generator).
Document 8: Pune - Gorakhpur Express: Gorakhpur Pune Express is a weekly mail/express train of the Indian Railways, running between Pune Junction, the important city of Maharashtra and Gorakhpur Junction, the prominent city of Uttar Pradesh. Gorakhpur Pune Express shares its rake with Gyan Ganga Express. 11037 Gorakhpur Pune Express leaves Pune Junction on Thursday at 16:15. 11038 Gorakhpur Pune Express leaves Gorakhpur Junction on Saturday at 15:30. Gorakhpur Pune Express consists of 23 coaches - one AC-II coach, two AC-III coaches, 13 sleeper class coaches, one pantry coach, four general (unreserved) coaches and two SLR.
Document 9: Railway stations in Chennai: The city of Chennai in Tamil Nadu, India and the headquarters of the Southern Railway Zone, is a major rail transport hub in the country. It has over 40 railway stations which are part of an extensive suburban railway networkThe city is served by four railway termini - the Chennai Central railway station and the Chennai Egmore railway station and the Chennai Beach railway station and the Tambaram railway station.
Document 10: Pudumadam: Pudumadam is a village in Ramanathapuram district in the Indian state of Tamil Nadu. It is located of National Highway 47 in road Rameshwaram. Pudumadam is 4 km from Uchippuli which is on the National Highway 49 (NH 49). NH 49 runs from Kochi to Rameswaram. The nearest railway station is Uchippuli but express trains do not stop here. The closest town is Ramanathapuram and is 25 km from Pudumadam. Pudumadam is an isthmus (Thin stretch of land that connects two larger land masses with water on both sides)
Document 11: Rameswaram: Rameswaram, (also spelt as Ramesvaram, Rameshwaram) is a town and a second grade municipality in the Ramanathapuram district in the South Indian state of Tamil Nadu. It is located on Pamban Island separated from mainland India by the Pamban channel and is about 40 kilometres from Mannar Island, Sri Lanka. It is situated in the Gulf of Mannar, at the very tip of the Indian peninsula. Pamban Island, also known as Rameswaram Island, is connected to mainland India by the Pamban Bridge. Rameswaram is the terminus of the railway line from Chennai and Madurai. Together with Varanasi, it is considered to be one of the holiest places in India to Hindus, and part of the Char Dham pilgrimage.
Document 12: Tenkasi: Tenkasi is one of the municipalities in the Tirunelveli district of Tamil Nadu, India. Tenkasi, South Banaras is also famous for its temple. The story of its temple is narrated in an inscription on a four sided pillar set up in front of the gopuram. It is said that God Viswanatha appeared in the dream of Arikeari Parakrama Pandyan who was living in the fort constructed by him at Vinthankottai which is in the east of Tenkasi the frequently visited Banaras to worship Lord Viswanatha, and Lord ordered him to build a new temple at Tenkasi.The king started the work in 1446 A.D the central shrine, the ardhamantapam and the mahamantapam were finished and the god was established in this shrine. Ten years later the building of the nine stories gopuram began and in six years it was completed. In the same year 1463 A. D the king died. The temple contains many Pandya inscriptions of the fifteenth and sixteenth centuries. It is believed that if a person dies in Banaras he will attain salvation. But if a person born, lives and dies in Tenkasi he will get salvation was the verdict of many puranas.
Document 13: Ramanujan IT City: Ramanujan IT City is an information technology (IT) special economic zone (SEZ) situated in Chennai, India. Named after the Indian Mathematician Srinivas Ramanujan, it is a joint venture of Tata Realty and Infrastructure Limited (TRIL), Indian Hotels Company Limited (IHCL) and Tamil Nadu Industrial Development Corporation (TIDCO). Situated next to the Tidel Park, it is being developed in a land measuring 25 acres with two zones with a total built-up area of 5.7 million sq ft. including 4.5 million sq ft of office space.
Document 14: Varanasi: Varanasi (] ), also known as Benares, Banaras ("Banāras" ] ), or Kashi ("Kāśī" ] ), is a city on the banks of the Ganges in the Uttar Pradesh state of North India, 320 km south-east of the state capital, Lucknow, and 121 km east of Allahabad. A major religious hub in India, it is the holiest of the seven sacred cities ("Sapta Puri") in Hinduism and Jainism, and played an important role in the development of Buddhism. Varanasi lies along National Highway 2, which connects it to Kolkata, Varanasi, Agra, and Delhi, and is served by Varanasi Junction railway station and Lal Bahadur Shastri International Airport.
Document 15: Bhadrachalam: Bhadrachalam is a census town in Bhadradri District of the Indian state of Telangana. It is an important Hindu pilgrimage town with an existence of the Bhadrachalam Temple of Lord Rama, situated on the banks of Godavari river. It is located 312 km east of state capital, Hyderabad, 115 km from Khammam, 177 km from Suryapet and 178 km from the Andhra Pradesh State Capital Amaravathi.
ground_truth: Rameswaram