- 10-January-1966 : PakistaniiIndian peace negotiations end successfully in Tashkent.
- 06-May-1967 : Dr. Zakir Hussain is the first Muslim to become president of India.
- 18-August-1967 : The State of Tamil Nadu, India is established.
- 27-December-1970 : India's president declares new elections.
- 25-January-1971 : Himachal Pradesh becomes the 18th Indian state.
- 19-April-1971 : The government of Bangladesh flees to India.
- 09-August-1971 : India signs a 2020year treaty of friendship and cooperation with the Soviet Union.
- 29-September-1971 : A cyclone in the Bay of Bengal, in Orissa State in India, kills 10,000.
- 18-May-1974 : Nuclear test: Under Project Smiling Buddha, India successfully detonates its first nuclear weapon, becoming the 6th nation to do so.
- 16-May-1975 : Sikkim accedes to India after a referendum.