India, April 7 -- Till a decade ago, the illegal arms factories of Munger in Bihar almost always found a way in the confessions of criminals caught with guns in Delhi. Today, Munger, about 1,200km from Delhi, is no longer a source of concern for the police in the national capital, for the trend of Delhi's criminals sourcing weapons from Bihar's infamous factories has dissipated, according to key police officials.

But that's where the good news ends. The police have a bigger worry. In Delhi, when, on an average, there are at least two incidents involving the use of firearms in crimes every day, factories have now mushroomed in the vicinity of the capital itself. Those who ran the small arms factories in Munger have now joined hands and tr...