State-owned Indian Railway Catering and Tourism Corporation Ltd (IRCTC) on Wednesday said internet ticketing currently is 12-13 percent of the revenue and has a margin of about 60-65 percent.

In an interview to CNBC-TV18's Yash Jain, Mahendra Pratap Mall, chairman and managing director, said, "Cash flow generated is about Rs 1,500-1,600 crore. As per current distribution, catering is almost 53-54 percent and has a margin of 11-12 percent. Tourism is about 28 percent and has a margin of 10-12 percent."

"There are some products which have a higher margin but at the same time, there are some which are at a lower margin. Packaged drinking water is about 10 percent of overall revenue and margin of about 13-14 percent," Mall said.'

IRCTC has fixed the price band of its proposed initial public offering in the range of Rs 315 to Rs 320 per share, with an aim to raise about Rs 645 crore. The IRCTC IPO will open for subscription on September 30 and will close on October 3, said the company.

The IRCTC IPO comprises an offer for sale of 2 crore shares, representing 12.50 percent of total paid-up equity by the Ministry of Railways.

There would also be additional employee reservation portion of 1.6 lakh shares, taking the total offer size to 12.6 percent of total paid-up equity, the company said. The minimum bid lot is 40 equity shares and in multiples of 40 equity shares thereafter.