Renamed States
East Punjab to Punjab (change effective from 26 January 1950; state later trifurcated into modern-day Haryana, Himachal Pradesh and Punjab under the Punjab Reorganisation Act, 1966; Chandigarh becomes a Union Territory and the shared capital city of Punjab and Haryana)
United Provinces to Uttar Pradesh (change effective from 26 January 1950)
Hyderabad to Andhra Pradesh (change effective from 1 November 1956; the state was divided again in 2014 with original left out Hyderabad State as Telangana. Andhra region which was merged from Madras state now remains Andhra Pradesh)
Travancore-Cochin to Kerala (change effective from 1 November 1956)
Madhya Bharat to Madhya Pradesh (change effective from 1 November 1959)
Madras State to Tamil Nadu (change effective from 14 January 1969)
Mysore to Karnataka (change effective from 1 November 1973)
Uttaranchal to Uttarakhand (change effective from 1 January 2007)
Orissa to Odisha (official as of November 2011)
Union territories:
Laccadive, Minicoy and Amindivi Islands to Lakshadweep (change effective from 1 November 1973)
Pondicherry to Puducherry (change effective from 1 October 2006)
Renamed Cities:
Andhra Pradesh
Garthapuri to Guntur
Kandenavolu to Kurnool
Ellore to Eluru (change effective 1949)
Waltair to Vizagapatam to Visakhapatnam
Bezawada to Vijayawada
Cuddapah to Kadapa to YSR district
Ongole district to Prakasam
Nellore district to Sri Potti Sri Ramulu Nellore district
Cocanada to Kakinada
Masulipatam to Machilipatnam
Sikkolu to Srikakulam
Rajamahendravaramu to Rajahmundry to Rajamahendravaramu
Vikrama Simhapuri to Nellore
Assam
Nowgong to Nagaon
Gauhati to Guwahati (change effective 1983)
Sibsagar to Sivasagar
Gujarat
Viravati to Chandravati, Chandravati to Vadpatra, Vadpatra to Baroda, Baroda to Vadodara (change effective 1974)
Broach to Bharuch
Karnavati to Ahmedabad
Cambay to Khambhat
Bulsar to Valsad
Suryapur to Surat
Bhavena (Gohilwad) to Bhavnagar
Haryana
Gurgaon to Gurugram
Himachal Pradesh
Simla to Shimla
Mandav Nagar to Mandi
Goa
Panjim to Panaji
Sanquelim to Sankhali
Rivona to Revana — Huge ‘Revan(a)’kar community that migrated from this place can attest to this.
Karnataka
Bangalore to Bengaluru, the settlement was originally called Bendakaloru.
Mysore to Mysuru, the settlement was originally called Mahishasooru.
Mangalore to Mangaluru, the settlement was originally called Mangalooru.
Hubli to Hubballi, the settlement was originally called Hoobhalli
Tumkur to Tumakuru
Shimoga to Shivamogga, the settlement was originally called Shivana Mogga.
Belgaum to Belagavi
Bellary to Ballari
Gulbarga to Kalaburagi
Marcera to Madikeri, the settlement was originally called Madanayakana Keri.
Bijapur to Vijayapura
Hospet to Hosapete
Chikmagalur to Chikkamagaluru
Kerala
Trivandrum to Thiruvananthapuram (change effective from 1991)
Cochin to Kochi (change effective from 1996)
Calicut to Kozhikode
Quilon to Kollam
Trichur to Thrissur
Cannanore to Kannur
Palghat to Palakkad
Alleppey to Alappuzha (change effective from 1990)
Alwaye to Aluva
Parur to North Paravur
Cranganore to Kodungallur
Tellicherry to Thalassery
Badagara to Vatakara
Palai to Pala
Verapoly to Varapuzha
Cherpalchery to Cherpulassery
Koney to Konni
Sherthalai to Cherthala
Madhya Pradesh
Ahilyanagari/Indur to Indore
Avantika to Ujjain
Bhelsa to Vidisha
Rassen to Raisen
Saugor to Sagar
Jubbulpore to Jabalpur
Bhopal Bairagarh to Sant Hirda Ram Nagar, Bhopal
Bellasgate to Bheraghat
Ojjain to Ujjaini
Mandu to Mandavgarh
Viratnagari to Shahdol
Maharashtra
Bombay to Mumbai (renamed in 1995)
Nasik to Nashik
Poona to Pune
Thana to Thane
Bhir to Beed
Mizoram
Saiha to Siaha
Puducherry
Pondicherry to Puducherry (change effective from 1 October 2006)
Yanaon to Yanam (change effective from merger with Indian Union)
Punjab
Jullunder to Jalandhar
Ropar to Rupnagar
Mohali to SAS Nagar
Nawan Shahar to Shaheed Bhagat Singh Nagar
Rajasthan
Ajaymeru to Ajmer
Dhedhi Dhani to Mansanagar(District Sikar). (change effective from 27 April 2011)
Tamil Nadu
Tinnevelly to Tirunelveli
Tranquebar to Tharangambadi
Trichinopoly to Tiruchirapalli (change effective 1971)
Trinomalee to Tiruvannamalai
Madras to Chennai (change effective August 1996)
Tanjore to Thanjavur
Karuvur to Karur
Tuticorin to Thoothukudi
Cape Comorin to Kanyakumari
Ootacamund to Udagamandalam
Conjeevaram to Kanchipuram
Virudupatti to Virudhunagar
Porto Novo to Parangipettai
Mayavaram to Mayiladuthurai
Uttar Pradesh
Allygurh to Aligarh
Cawnpore to Kanpur (change effective 1948)
Banaras to Varanasi (change effective 1956)
Kanpur Dehat to Ramabai Nagar district (change effective 2010) and back to Kanpur Dehat (change effective 2012)
Prayag to Allahabad
Muzaffarnagar to Lakshminagar (change effective 1986) and back to Muzaffarnagar
Noida to Gautam Budha Nagar
West Bengal
Calcutta to Kolkata (change effective from 1 January 2001)
Burdwan to Bardhaman
Chinsurah to Hugli-Chuchura
Telangana
Edlabad to Adilabad
Bhagyanagaram to Hyderabad
Elagandla to Karimnagar
Indur to Nizamabad
Siddapuram to Metuku seema to Medak
Palamuru to Mahabubnagar
Ekasilanagaram to Orugallu to Warangal
