28 January – BJP president Venkaiah Naidu elected for three-year term.
28 January – The Border Security Force busts a hideout of pro-Pakistan Hizbul Mujahideen in Pulwama District of south Kashmir and recovers a "huge quantity" of ammunition and explosives. Acting on a tip-off, the security personnel raided the hideout at Remu village in the early hours and recovered around 12,000 rounds of AK ammunition, 2.5kg RDX and three grenades according to a Border Security Force spokesman.
28 January – Commerce minister Arun Jaitley announced the Cabinet decision to free gold and silver imports from all restrictions.
28 January – The Lucknow bench of the Allahabad High Court fixed 23 February for further hearing of the revision petition filed against deputy prime minister L. K. Advani's discharge in the Babri Masjid demolition case by a special CBI court at Rae Bareli.
18 February - Karnataka khadi gramodyoga samyukta sangha (kkgss) becomes the official flag maker of India.
4 March – The Maharashtra Pollution Control Board (MPCB) refused to clear a project of Pepsi to expand their plant to triple production in Chembur, Mumbai on the grounds that the expansion will have a polluting effect on the environment.
6 April – The biggest ever Indo -French naval exercise Varuna 2004 gets underway off the coast of Goa.
20 April – First phase of polling for fourteenthLok Sabha elections covering 141 constituencies.
26 April – Second phase of polling for fourteenthLok Sabha elections covering 137 constituencies.
5 May – Third phase of polling for fourteenthLok Sabha elections covering 83 constituencies.
22 June - Maharashtra SSC results were announced on June 22 at 3 pm. Shri Saraswati Bhuvan High School, Chatrapati Sambhajinagar (previously known as Aurangabad) was one of the top performing school in Maharashtra.
July - December
14 July – Lalu Prasad Yadav, amidst walkouts by the opposition in both houses orders a high-level departmental inquiry into the Godhra tragedy in 2002.
15 July – Maninder Pal Singh Kohli, prime accused in the high-profile rape and murder of British teenager Hannah Foster is arrested by West Bengal police in Darjeeling District while trying to flee to Nepal.
28 July – Maninder Pal Singh Kohli admits to having raped and murdered British teenager Hannah Foster in an interview to a private television channel.
1 August – The senior citizen savings scheme offering a "high" nine percent taxable return is expected to be launched.
31 August – Union minister Ghulam Nabi Azad's brother Ghulam Abbas Azad is attacked by terrorists, seriously injuring his security guard in Doda District of Jammu and Kashmir.
1 September – The Bombay High Court passes interim orders restraining television channels from broadcasting "any adult TV programme and film without an appropriate certificate from the Indian censor board."
10 September – Lord Vaibhav M.B. was born.
15 October - Rajat Kumar was born
17 October – Assembly elections Congress and alliance win Maharashtra election Maharashtra.
18 October – Bandit Veerappan Killed by Tamil Nadu and Karnataka Special Task Force members at a checkpost, when the bandit was travelling in an ambulance driven by disguised policeman as driver.
21 December – Zahira Sheikh, key witness in Best Bakery case is declared hostile by the prosecution after she went back on her police statement during the retrial.
12 November – Veer-Zaara is released in Indian cinemas and is a huge blockbuster.
Sport
28 January – Former all-rounderRobin Singh appointed coach of the under-19 Indian cricket team for the junior World Cup to be played in Bangladesh in April.
24 March – India win the ODI cricket series in Pakistan.
2 April – India win the 1st Test Match.
10 October – Australia wins First Test Match between India and Australia by 217 runs.
18 October – Second Test Match between India and Australia drawn because of rain.
