2 January – First three Uttar Pradesh rail accidents: Three train accidents occur in Uttar Pradesh amid thick fog. Ten people died in the accidents and 45 others were injured.
16 January – Fourth Uttar Pradesh rail accident: two express trains collide in thick fog in India's northern state of Uttar Pradesh. Three people died in the accident and around a dozen were injured.
17 January – Fifth Uttar Pradesh rail accidents: A car hit by a train at an unmanned crossing in Barabanki district of Uttar Pradesh. Two of the six people in the car died and four got injured.
22 January – Sixth Uttar Pradesh rail accidents: A goods train derailed near Azamgarh in Uttar Pradesh on Friday, disrupting rail traffic in the region. No one was injured in the accident.
13 February – 2010 Pune bombing: a bomb exploded at the German Bakery in the city of Pune in western India, killing 17 people and injuring at least 60 others. Two little known groups calling themselves the Lashkar-e-Taiba Al Alami and the Mujahideen Islami Muslim Front claimed they were behind the bomb attack. However, according to government agencies, the attack could have been part of a project by Lashkar-e-Taiba to use the Indian Mujahideen, called the 'Karachi project'. David Coleman Headley a Pakistani-American terror suspect has been accused of involvement in the project.[8]
15 February – Silda camp attack: A Naxalite attack on an army camp in West Bengal kills 24 Indian soldiers, with many more reported missing.[9]
12 March – Russia signs a nuclear reactor deal with India which will see it build 16 nuclear reactors in India.
23 March – A fire tears through at a combined residential and office building in Kolkata, India, killing 24 people, including two who leapt to their deaths.[14][15]
3 April – At least 10 Indian security personnel are killed and three injured when Maoist guerrillas blow up a police bus in Odisha's Koraput district.[23]
13 April – 2010 Eastern Indian storm: At least 140 people were killed in eastern India after a powerful storm demolished thousands of homes in West Bengal. (BBC News) Nearly 500,000 people were left homeless or otherwise affected by the storm.[25]
15 April – The maiden flight of the Geosynchronous Satellite Launch Vehicle Mk.II, India's first launch with an indigenous cryogenic upper stage, ends in failure, resulting in the loss of the GSAT-4 satellite.[26]
3 May – Ajmal Kasab, the only surviving terrorist involved in the 2008 Mumbai attacks, is found guilty of murder, conspiracy, and waging war against India.[30][31]
17 May – 2010 Dantewada bus bombing: Naxalite insurgents blow up a bus in India filled with police and paramilitaries. Fatalities reports range from 31[36] to 44,[37] including several Special Police Officers (SPOs) and civilians.[36][38]
21 May – A court restores the Indian Hockey Federation, two years after it was dissolved by the country's Olympic chiefs over bribery allegations and poor on-field results.[40][41]
21 May – Six girls aged between eight and twelve years drown in the Rapti in Balrampur while bathing.[42]
25 June – 17 people are killed and 25 others injured when an overcrowded bus collided head-on with a speeding truck near Chenaki More, about 30 km from Patna, India.[51]
5 July – A nationwide strike takes place in India in protest at a recent rise in fuel prices.[53]
8 July – A bomb rips through the engine and coach of a passenger train in Assam, killing one person.[54]
13 July – One death and three injuries result from a stampede during pulling of Ratha Yatra chariots in Puri, India.[55]
13 July – The Supreme Court of India tentatively approves the Tamil Nadu government's new quota law, providing 69% of employment in educational institutions to scheduled castes and tribes and other backward classes.[56]
4 August – About 70 Indian police personnel are reported missing in Chhattisgarh forests amid a major engagement with Maoistguerrillas; they are later found. No casualties have been reported.[67][68]
7 August – 2010 Mumbai oil spill: An oil spill stretching at least two miles long occurs in the Arabian Sea offshore Mumbai, India, after a vessel from Panama collides with another vessel from St. Kitts. The Panamanian ship was carrying 2,662 tons of oil, 283 tons of diesel and 88,040 liters of lube oil when it became grounded and started to leak.[70]
12 August – India issues the producer of the controversial BlackBerry devices a 31 August deadline to give the Indian Government access to its services or be shut down over concerns the devices could be used to commit a repeat of the 2008 Mumbai attacks.[71]
15 August – India celebrated its 63rd Independence Day. Sreeram Chandra from Andhra Pradesh won the Indian Idol Season 5 music reality show beating Bhoomi Trivedi and Rakesh Maini.
18 August – A school building collapses due to heavy rain in the village of Sumgarh in the Indian state of Uttarakhand, killing at least 17 schoolchildren.[73][74]
10 September – Thousands of people are evacuated in Delhi over flooding fears.[77]
20 September – At least 21 people are killed and dozens are injured after 2 trains collide in the Shivpuri district of India's Madhya Pradesh state.[78]
23 September – Speeding train kills 7 elephants in Eastern India.[79]
29 September – India launches a national identity scheme aimed at reducing fraud and improving access to state benefits.[80]
Mid-October, Mrs. Kashmira and Dr. Leo Rebello visit Andaman Islands, flying directly from Bombay to Portblair, on a chartered flight of Yatra travel, and find Jarawas (tar black people) still roaming fully naked hardly 30 km away from the Governor's Palace. Visit the Cellular Jail and recommend that the said imposing edifice should be turned into a Heritage-Jail Hotel, and oppose the setting up of an Allopathy hospital on the campus of the Cellular Jail to medicate the Jarawas, destroying their original genetic pool of over 5000 years old.
11 October – 18 people are killed when a bus falls into a river in Bulandshahr district, Uttar Pradesh, India.[82]
25 October – More than 700 species of ancient insects are discovered preserved in amber in an ancient rainforest in India.[83]
29 October - Two siblings were kidnapped, tortured and killed on their way to school by a driver in Coimbatore.[84]
30 October – At least 16 people drown and 70 are missing after an overcrowded ferry sinks in a river in West Bengal, eastern India.[85]
2 November – 17 people are killed and three others injured when a truck carrying them overturned at Tarapur talukav near Indranaj in India. The truck was on its way from Surat to Bhavnagar.[88]
15 November – 66 people die after a building collapses in eastern New Delhi.
21 November – Seven people are killed after a bomb planted by suspected Maoist rebels explodes in Aurangabad district, Bihar, northeastern India.[89]
10 December – Agni-II plus missile test fails in Orissa, India test-fired an upgraded version of the Agni-II plus nuclear-capable intermediate range ballistic missile off the Orissa coast. The test was declared a failure. The latest version of the "Agni" series missile is described as a two-stage, solid propellant rail and road mobile missile.
26 December – A collision between a bus and a mini-truck kills 34 people and leaves 30 injured, near the town of Budaun in Uttar Pradesh state, in northern India.[91]
Late December – Onion price rise in Indian markets leads to political tensions.[92]
