In a circular, the exchange said trading in derivative contracts for the security would not be available with effect from April 26, 2013.
"...No contracts shall be available for trading (in Welspun Corp) security with effect from April 26, 2013," NSE said.
Also Read
"However, the existing unexpired contracts of expiry months February, March and April would continue to be available for trading till their respective expiry and new strikes would also be introduced in the existing contract months," it added.
In a separate circular, NSE said that Welspun Corp would not be available for transactions in Securities and Lending Borrowing (SLBs) schemes, with effect from April 26, 2013.
SLB mechanism allows short sellers to borrow securities for making delivery.
As per the Sebi's regulation, any scrip with a minimum trading volume of Rs 10 lakh and market wide position limit (MWPL) or market capitalisation of Rs 300 crore would be eligible for entry into the Future and Options (F&O) segment.
Besides, any scrip which fail to maintain a minimum MWPL requirement of Rs 200 crore cease to be in the F&O segment.
The scrip exit the derivative segment if Median Quarter Sigma Order Size (MQSOS), which indicates liquidity or order size in a scrip, falls below Rs 5 lakh.