SEBI has granted the National Securities Depository Ltd. (NSDL) time till the end of July to launch its IPO worth Rs 3,000 crore.SEBI's extension allows NSDL to launch its IPO at a more favorable time during the market correction phase.The approval for NSDL's IPO was in October, and the offering will only include an offer for sale.NSDL is India's largest depository, with various approvals required before launching the IPO.