New Delhi: IPL franchise Royal Challengers Bangalore has written to the Indian cricket board (BCCI), intimating them  about Vijay Mallya's resignation from the post of Director of Royal Challengers Sports Private Limited (RCSPL).

According to reliable sources, the top BCCI officials in the IPL governing council received an e-mail on March 7 from franchise  official Russell Adams, informing the board about the current ownership status in the franchise. It was five days after the troubled  business tycoon left India for United Kingdom.