MUMBAI, February 26: The Securities and Exchange Board of India (Sebi) has convened a meeting of leading institutions and select market participants on March 6 to consider further reforms in the secondary market. According to sources close to the BSE, the Sebi has also proposed to discuss measures to improve the liquidity in B1 and B2 scrips and review the confidence of investors. The Sebi has also invited chairmen/chief executives of select FIs and stock exchanges.