Capital market regulator SEBI on Tuesday said stock exchanges may consider moving securities of 12 firms that have established connectivity with depositories to normal trading category from the restricted segment.The 12 stocks which could be transferred to the normal trading category include Triveni Enterprises, Technojet Consultants, Quasar India, Boston Leasing and Finance and Creative Merchants. In a circular issued on Tuesday, SEBI said the bourses may consider shifting the trading in these stocks from the 'Trade for Trade Settlement (TFTS)' to a 'Normal Rolling Settlement' as these firms have established connectivity with both the depositories in the country.The depositories are — National Securities Depository Ltd (NSDL) and Central Depository Services (India) Ltd (CDSL). The 'trade for trade' segment is a restricted category, wherein, no speculative trading is allowed and delivery of shares and payment of the consideration amount are mandatory.