Margin requirement for L&T fin holdings

CAN ANY ONE EXPLAIN PLEASE ;-Yesterday I bought 200 shares of L&T finance holdings at 75 and cash margin requirement of 3600+brokerage 100 need 3700 near But i have only 2983 whether the exchange levied penalty for the remaining. i have pledge holding margin at 22900 please explain in detail

Best to contact Customer Support for such query. If the account is with Zerodha, you can create a ticket at Support Portal.