DSP Merrill Lynch, on behalf of MP Laboratories (Mauritius) & Mylan Laboratories Inc, has made an open offer to acquire up to 3,08,31,962 equity shares of Rs 2 each, representing 20% of the fully diluted voting equity capital of Matrix Laboratories, at Rs 306 per share payable in cash.According to a release issued by Matrix to the BSE today, the specified date for the offer is September 22, 2006. "The offer will open on October 20, 2006 and close on November 8, 2006," the release added. Also Read: Mylan of US buys Matrix for $736 mn