The Congress commemorated its centenary under the leadership of Rajivji. "Let us build an India ' proud of her independence; powerful in defence of her freedom; strong, self-reliant in agriculture, industry and front-rank technology; united by bonds transcending barriers of caste, creed and region; liberated from the bondage of poverty and of social and economic inequality," Rajivji said
The Government of India and the leaders of the Assam agitation signed a Memorandum of Settlement (MoS) in New Delhi on Augst 15, 1985. The accord was signed in the presence of Prime Minister Rajiv Gandhi by Union Home Secretary R.D. Pradhan, Chief Secretary, Government of Assam, P.P. Trivedi and the leaders of the agitation Prafulla Kumar Mahanta, Bhrigu Kumar Phukan and Biraj Sharma, bringing an end to the Assam Agitation.
The Punjab Accord, also known as the Rajiv-Longowal accord, was signed by PM Rajiv Gandhi and Harcharan Singh Longowal on July 24, 1985.According to the agreement, the government accepted the demands of the Akali Dal, which in turn agreed to withdraw its agitation.
Under Rajivji's leadership, the Congress swept the 1984 Lok Sabha elections winning 404 seat.The Opposition parties were decimated, with the BJP winning just two seats and the Janata Party ten.
At about 9:20 AM on 31 October 1984, Indira Gandhi was shot dead by her own bodyguards. The nation errupted in an outporuing of grief.
Shri Rajiv Gandhi was sworn-in as the Prime Minister after Indira ji's martyrdom.
Indira Gandhi sweeps back to power with 351 seats in the Lok Sabha. Janata Party managed to win only 31 seats in the Lok Sabha, bringing an end to one of the most tumultuous eras in Indian political history.
Under Indiraji's leadership, the government brought about the 42nd Amendment to the Indian Constituion, which altered the Preamble. It described India as a "sovereign, socialist, secular, democratic republic", adding the words socialist and secular to the earlier version. Also, the phrase "unity of the nation" was modified to "unity and integrity of the nation".