India, Oct. 14 -- When someone withdraws cash, transfers money or opens a savings account, the transaction travels over private networks linking branches, data centres and disaster recovery sites. Banks cannot afford downtime on these links, so they rely on dedicated, secure connections rather than the open internet. Providers who can offer reliable coverage across cities and small towns alike tend to hold on to such customers for years.

The Nifty 50 traded at 22,735.20, up 0.06%, while the Sensex rose 0.14% to 73,136.54 on Wednesday. Meanwhile, Shares of Railtel Corporation of India Ltd. were trading at Rs. 254.80, up 1.25% from previous close of Rs. 251.60. The stock opened at Rs. 253.80 and reached an intraday high of Rs. 257.15 and ...