"Currently, our team is studying the order and we will take appropriate action," BSE Managing Director and CEO Ashish Kumar Chauhan said at the sidelines of an Assocham event here.
The Securities and Exchange Board of India (Sebi), last week, pulled up the BSE for failing to comply with prevailing norms for an OFS issue by NMDC in 2012.
The regulator also asked the exchange to appoint an independent consultant to review the sequence of events at the time of the OFS and suggest 'remedial' action.
On 12 December 2012, the promoters of NMDC had offered to sell 39.65 crore shares through the OFS mechanism of BSE and the National Stock Exchange of India Ltd.
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After the closure of the share sale that day at 3.30 pm, Sebi had sought bid data from the two exchanges, to which BSE first stated that the final cumulative bids received at its platform were for 29.91 crore shares.
In another intimation to Sebi later that evening, BSE revised the figures upward by 4.55 crore shares to state that the final cumulative bids received by it were for 34.47 crore shares. Subsequently, Sebi sought clarification from BSE about the huge difference between the two figures.
According to norms, the placing of orders and funds on the exchange system in an OFS should take place during the trading hours only.