A preliminary inquiry has found that the explosion took place due to faulty ammunition supplied by the Ordnance Factory Board and a further probe into the matter was on, the sources said.
The barrel of the US-manufactured gun exploded during field trial in Pokhran.
In fresh trials, India has test-fired its indigenously developed Nag anti-tank guided missile, which can hit a target up to seven km, from a helicopter at a firing range in Jaisalmer in Rajasthan.
While it was not directly suggested that the COVID-19 pandemic was related to biological warfare, it is significant that the government is exhorting military laboratories to work concertedly on biological defence.
A major rank official of the Indian Army died during a training exercise in western sector near the Indo-Pak border in Rajasthan.
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The army on Mondqay successfully test-fired an advanced version of the 290-km range BrahMos supersonic cruise missile which penetrated and destroyed a "hardened target" in the Pokhran firing range in Rajasthan.
Indigenous 155 mm artillery guns, made on the lines of Swedish Bofors howitzers procured by the army in the 1980s, will go for last round of trials at Pokhran firing ranges along the Indo-Pak border in Rajasthan next month.
The army on Monday successfully test fired an advanced version of 290 km range supersonic cruise missile BrahMos as part of a user trial at Pokhran test range in Rajasthan.
An employee of the Foreigners division in the Union Home ministry was arrested by the Rajasthan police in an espionage case in which he allegedly shared classified information with a suspected ISI agent who was held in Pokhran.
On the last day of campaigning at Pokhran in Rajasthan, Bhartiya Janata Party prime ministerial candidate Narendra Modi took potshots at the son-in-law of chairperson of United Progressive Alliance Sonia Gandhi, Robert Vadra.
Executing its mission with honour and pride, the Indian Air Force displayed its firepower at IRON FIST -- 2013 in the august presence of President Pranab Mukherjee, Prime Minister Dr Manmohan Singh and Defence Minister A K Antony on Friday.
Executing its mission with honour and pride, the Indian Air Force displayed its firepower at IRON FIST -- 2013 in the august presence of President Pranab Mukherjee, Prime Minister Dr Manmohan Singh and Defence Minister A K Antony on Friday.
'He was one of India's greatest leaders loved and respected by all. He will be missed.'
The envoy said India has been successful in articulating its case with the international community including the US.
'I made it known through diplomatic channels that I was unhappy.' 'So, he called me and tried to explain, but I said this is something that doesn't happen between friends.'
"The employee was summoned to Jaipur from Delhi for questioning on Sunday and was placed under arrest on Monday night for sharing classified information with the spy. He will be produced in a local court in Jaipur on Tuesday," Addl DGP (Intelligence) Dalpat Singh Dinkar said.
The major upgrades would be missile-firing capability against long-range targets, panoramic sight with night vision to engage targets effectively at night, containerisation of the ammunition, enhanced main weapon penetration; additional ammunition types, explosive reactive armour, an advanced air-defence gun to engage helicopters.
The day, now called Technology Day to mark the anniversary of the tests, will see the government launching a company, under a public-private partnership between the Confederation of Indian Industry and the Department of Science and Technology, to attract the world's leading technologies and promote innovation in the country.
The IAF hit the JeM training facility using S-2000 precision-guided bombs fired from the Mirage-2000 fighter jets.
Donald Trump becomes the first American president to visit India with his wife and daughter and son-in-law in tow
France on Monday became the first country to sign agreements to set up nuclear reactors in India, two years after Indian's nuclear isolation prompted by Pokhran tests in 1998, ended.
The 155-millimetre, 52-calibre Advanced Towed Artillery Gun System, which was successfully tested in Pokhran, demonstrated its potential to be a world-beating system.
Striking the airfield's runway precisely with one bomb is more economical than using traditional free-fall bombs.
Showcasing its precision strike capabilities during day and night, Indian Air Force on Sunday carried out a massive fire power blitzkrieg using its frontline aircraft such as SU-30 MKI, Mirage-2000, MIG 27 and MIG 29, at the Pokhran ranges in Rajasthan.
Fighter jets and helicopters hit targets during day and night.
Nuclear tests of 1998 have given us capability to build deterrence both in fission and fusion categories, Anil Kakodkar, Chairman, Atomic Energy Commission, said on Thursday.
The Indian Air Force is gearing up for a day-and-night fire power blitzkrieg using its potent fighter jets including Sukhois for two days from February 24 in Pokhran after a gap of four years.
The defence ministry on Thursday rejected senior Defence Research and Development Organisation scientist K Santhanam's assertion that the 1998 Pokhran II nuclear tests were not fully successful, adding that India has a meaningful number of nuclear weapons and an effective delivery system to go with it.
K Santhanam, a retired Defence Research and Development Organisation scientist, on Monday accused former Atomic Energy Commission chief Anil Kakodkar of 'ignoring facts' about the yield of the nuclear tests done at Pokhran in May 1998, calling him 'a liar' motivated by institutional loyalties.
Fernandes sent defence ministry officials on familiarisation trips to various parts of Jammu and Kashmir and to the areas bordering China in Arunachal to see for themselves the difficulties faced by border guards.
The Army will hold a month-long war game in the Rajasthan desert along the border with Pakistan to validate its battle concepts including to plug gaps in the night vision capability of its mechanised forces.
Three years before Pokhran II nuclear tests in 1998, India was interested in negotiations with Pakistan on elimination of atomic weapons from the subcontinent and was receptive to United States' mediation in this regard, an influential American Senator claimed on Friday.
Next month, India's homegrown Arjun tank will take on the new Russian T-90 in a long-awaited comparative trial.
"Of course, from a more general perspective, the Indian weapon programme has produced sufficiently good weapons -- they did go 'bang' at Pokhran II -- to provide a nuclear deterrent that only insane fools or idiots would ignore."
'There is a change in the administration in the United States of America. They are bound to further pressurise India to sign the CTBT. In such an event it was necessary to make such a statement or speak the truth on the issue so that India does not rush into signing the CTBT.'
Army headquarters sources told PTI that General Kapoor, who was in the Pokhran test range in Rajasthan yesterday to witness the BrahMos missile test, took the opportunity to go on an unscheduled visit to the forward areas in Bikaner and Bhatinda regions of the two border states.
Santhanam recently stirred a controversy claiming that the nuclear tests done in 1998 were not successful as projected at that time.