From a Businessworld article: The big four in the business — CMS, Brinks, SIS-Prosegur and Writers — share 80 per cent of the market between them and, on an average, cart Rs 20,000 crore in cash daily. Which means, in a year, it is a whopping Rs 73 lakh crore. Add all cash logistics firms (CLF) and it is Rs 91.25 lakh crore. A caveat: it does not mean that goods and services of equivalent value were sold or paid for; just that so much of cash moves about in vans. - See more at: http://www.businessworld.in/news/business/corporate/cash-movers/1065291/page-1.html#sthash.vhRuidoI.dpuf The big four in the business — CMS, Brinks, SIS-Prosegur and Writers — share 80 per cent of the market between them and, on an average, cart Rs 20,000 crore in cash daily. Which means, in a year, it is a whopping Rs 73 lakh crore. Add all cash logistics firms (CLF) and it is Rs 91.25 lakh crore. A caveat: it does not mean that goods and services of equivalent value were sold or paid for;...