10 January – The Delhi High Court says that a "high claim ratio" cannot be grounds to turn down medical insurance contract renewal requests. The court said that medical policies were liable to be renewed on the same terms and conditions as the old ones. However, insurance companies could load the premium to a limited extent if high payments were sought by a consumer.
29 January – The Bharatiya Janata Party (BJP)-led government in Goa headed by Manohar Parrikar is reduced to a minority after four BJP MLAs resign from the 40-member house. While the Indian National Congress has staked its claim to form the new government, Parrikar has said he will prove his majority.
29 January – Former BJP president Venkaiah Naidu's helicopter is set on fire by suspected Maoists during his campaign tour of Gaya, Bihar. Naidu escapes unhurt.
10 March – TRAI (Telecom Regulatory Authority of India) slashes tariffs for international bandwidth prices by up to 70% with effect from 1 April.
25 April – The National Consumer Disputes Redressal Commission in a landmark judgement rules that hospitals are duty bound to accept accident victims, that patients in critical condition and that doctors cannot first demand fees before agreeing to treat the patient and that a relative's consent is not necessary if there is no family member present at the time.
21 May – International Direct Dialling to countries in the Gulf, the SAARC region, Saudi Arabia, Africa, Australia and New Zealand will cost Rs. 12 a minute, down by 33%.
26 July – Mumbai and the Mumbai Conurbation area is submerged in 5–7 ft. of water due to heavy rains, making nearby dams release water causing a massive flood, which virtually stops the financial capital of India for 4–5 days.
30 August – Removal of License Requirements for Exports of Controlled Items to India, Federal Register.
September – A high-level United States defence team for the first time gives a classified detailed briefing to Indian officials on the patriot PAC-III anti-missile system, its capabilities against weapons of mass destruction and on the sensitive technologies of the F-18/A hornet and F-16fighter jets.
29 October – A train in Andhra Pradesh, derails, killing at least 77 people.
29 October – At least 61 people are dead and many others wounded in three powerful blasts in Delhi (See 29 October 2005 Delhi bombings for full details).
21 November – An Indian social worker, Junned Khan, and his NGO, pratham society for vulnerable children, with the help of Delhi Police and Delhi Labour Department, rescued 487 trafficked child labour from illegal factories of North shahadara area in Eastern part of Delhi.[8]
