MUMBAI: The Securities and Exchange Board of India (SEBI) has pulled up a top stock-broking firm of the Bombay Stock Exchange for various lapses. SEBI has warned Prabhudas Liladhar Pvt Ltd, one of the oldest members of the BSE, for irregularities in issuance of contract notes, delay in making payments and deliveries to clients, for not reporting off-the-floor transactions to the exchange, not obtaining client registration form and not maintaining segregation between clients' fund and own funds.