Excuse my ignorance:1)how the 'firing mode', semi or fully automatic is controlled? 2)How often does it happen? 3)Shouldn't the hindus export the Insas to US where gun nuts want fully auto guns?

"..The problem is that the rifle includes lots of redundant and poorly-engineered parts. India’s state-owned Ordnance Factories Board designed the weapon from an “amalgam” of metal that’s “almost guaranteed” to fail in harsh conditions,..Worse, the rifle is prone to “slam” firing — or inadvertently firing in fully-automatic when the operator pulls the trigger. “Funny, it didn’t have a full-auto mode,” one general told the Times of India..."

2015: https://warisboring.com/from-a-hospital-bed-an-indian-soldier-damned-his-defective-rifle/

2017: Hindu arms manufacturer condemned army chief on rejecting new 'Made in India' 7.62x51mm rifles: http://www.xinhuanet.com//english/2017-07/04/c_136416904.htm

2019: 

750,000 (7.62x39mm)AKs from russia:https://nationalinterest.org/blog/buzz/why-russias-sale-750000-ak-203-rifles-india-big-deal-93736

72400 (7.62x 51 mm)Sig Sauer from US: https://economictimes.indiatimes.com/news/defence/india-signs-contract-with-us-firm-for-72400-assault-rifles/articleshow/67962476.cms?from=mdr