The privatisation of a key railway service, the running of 151 passenger trains (out of a total 9,000 odd), is set to take longer than planned. Poor response to the tendering process at the financial bidding stage has made the railways decide to take a relook at the structure so that bidders find it more attractive to come forward. The privatisation exercise, expected to bring in a tidy Rs 30,000 crore investment, last year received applications from 15 companies at...