Events in the year 1975 in the Republic of India.

• India won the Men's Hockey World Cup first time. It was held in Kuala Lumpur, Malaysia^{[citation needed]}

• President of India – Fakhruddin Ali Ahmed
• Prime Minister of India – Indira Gandhi
• Vice President of India – B.D. Jatti
• Chief Justice of India – Ajit Nath Ray

• Andhra Pradesh – Khandubhai Kasanji Desai (until 25 January), S. Obul Reddy (starting 25 January)
• Assam – L. P. Singh
• Bihar – Ramchandra Dhondiba Bhandare
• Gujarat – Kambanthodath Kunhan Vishwanatham
• Haryana – Birendra Narayan Chakraborty (until 27 March), Birendra Narayan Chakraborty (starting 27 March)
• Himachal Pradesh – S. Chakravarti
• Jammu and Kashmir – L. K. Jha
• Karnataka – Mohanlal Sukhadia (until 10 January), Uma Shankar Dikshit (starting 10 January)
• Kerala – N. N. Wanchoo
• Madhya Pradesh – Satya Narayan Sinha
• Maharashtra – Ali Yavar Jung
• Manipur – L.P. Singh
• Meghalaya – L.P. Singh
• Nagaland – L.P. Singh
• Odisha – Akbar Ali Khan
• Punjab – Mahendra Mohan Choudhry
• Rajasthan – Sardar Jogendra Singh
• Sikkim – Bipen Behari Lal (starting 18 May)
• Tamil Nadu – Kodardas Kalidas Shah
• Tripura – L. P. Singh
• Uttar Pradesh – Akbar Ali Khan
• West Bengal – Anthony Lancelot Dias

• National income - ₹852,124 million
• 19 January – The 6.8 M_s  Kinnaur earthquake shook northern India with a maximum Mercalli intensity of IX (Violent). Forty-seven people were killed.
• 19 March – Indira Gandhi became the first Prime Minister of India to testify in a court. She appeared before Allahabad High Court in State of Uttar Pradesh v. Raj Narain case.^[1]
• 10 April - State Council (Sikkim) unanimously voted to abolish Monarchy of Chogyal and merge with India.^[2]
• 14 April - 1975 Sikkimese monarchy referendum held and obtained 97.75%approval.
• 19 April – The first Indian satellite, Aryabhata, goes into Earth's orbit.
• 21 April - Farakka Barrage across Ganges commissioned in West Bengal.
• 12 June – Justice Jagmohanlal Sinha declared PM Indira Gandhi's election to parliament from Rae Bareli (Lok Sabha constituency) in 1971 Indian general election null and void.^[3]
• 25 June – A state of emergency is declared by Prime Minister Indira Gandhi during which the press is censored and 100,000 are jailed.
• 27 December – The Chasnala mining disaster kills 375 people when an explosion in a coal mine causes catastrophic flooding.

• 25 April - Kerala Legislative Assembly passed the Kerala Scheduled Tribes (Restriction on Transfer of Lands and Restoration of Alienated Lands) Act, 1975, for restoring land rights to tribals.^[4]
• 15 May – 35th amendment of the Constitution of India ratifies statehood for Sikkim and deposing of Chogyal monarchy.

• 

• 1 January
  • Sonali Bendre, actress^[5]
  • Kamaal Rashid Khan, actor and internet celebrity
• 2 January – Rupal Patel, actress
• 8 January – Harris Jayaraj, film composer.

• 

  31 January – Preity Zinta, actress.
• 17 March – Puneeth Rajkumar, actor. (d. 2021).

• 

  28 March – Akshaye Khanna, actor and son of Vinod Khanna.
• 17 May – Dinesh Nayak, field hockey player.
• 26 May – Abbas, actor.
• 4 June – Bhuvaneshwari, actress.

• 

  8 June – Shilpa Shetty, actress.
• 25 June – Manoj Kumar Pandey, Military personnel. (d. 1999).

• 6 July – Jeevan (Tamil actor)
• 12 July – D. Roopa, Police Service officer.
• 23 July – Suriya, actor.

• 

  9 August – Mahesh Babu, actor.
• 16 September – Pushkar Singh Dhami, Politician and 10th Chief Minister of Uttarakhand
• 28 August – Eijaz Khan, actor.
• 28 August – Anuj Nayyar, Military officer. (d. 1999)
• 16 October – Rajeev Khandelwal, actor.
• 7 November – Venkat Prabhu, film director and actor.
• 11 November – Diwakar Pundir, actor.

• 

  19 November – Sushmita Sen, Miss Universe 1994, actress.
• 9 December – Priya Gill, actress.
• 14 December – Sukhbir Singh Gill, field hockey player. (d. 2024)
• 15 December – Siddhaanth Vir Surryavanshi, actor (d. 2022)
• 21 December – Srijato, poet

• 25 March – Deiva Zivarattinam, politician (b. 1894)
• 17 April – Sarvepalli Radhakrishnan, philosopher and statesman, first Vice President of India and second President of India (b. 1888).
• 14 July – Madan Mohan, composer (b. 1924)
• 13 September – Mudicondan Venkatarama Iyer, Carnatic singer and musicologist (b. 1897)

• List of Bollywood films of 1975