The bidding process, which begun from April 4, was schedule to close on April 20.
Now, the "online bidding process for selection of market maker for market making on BSE Exclusive securities in BSE iBBS (Internet Based Book Building System) shall be extended till April 29, 2016," the exchange said in a circular.
A market maker is a broker-dealer firm that accepts the risk of holding a certain number of shares of a particular security in order to facilitate trading in that security.
The exchange further said that 535 securities are eligible for market making.
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The eligible securities belong to 'XD' group, which is a new sub-group implemented by BSE for companies listed exclusively on it.
It further said "securities eligible for market making are subject to change from time to time depending on listing and surveillance actions."
"Based on the bids placed in this bidding system eligible Market Makers would be selected for performing Market Making in the respective XD Scrip, at a later stage," BSE noted.