Oriental Bank of Commerce (OBC) has filed 30 FIRs against Global Trust Bank (GTB) defaulters to recover Rs 1,300 crore."Of the 30 FIRs, Central Bureau of Investigation has registered 10 cases," K N Prithviraj, chairman and managing director of OBC, said after inaugurating a retail outlet of the bank in West Delhi today.OBC had taken over the ailing GTB last year, and had taken a hit of about Rs 1,400 crore due to bad loans of GTB.FIRs will make defaulters come to the negotiating table, Prithviraj said adding the bank is interested in the recovery of money.