Calcutta, Jan. 15 :    Calcutta, Jan. 15:  Mridul Banerjee, who had coached the Mohammedan Sporting football team for seven months in 1998, is back at the helm there. Banerjee, who had quit after the club's disappointing outing in the 1998 Bordoloi Trophy in Guwahati, said he was 'very excited' about the assignment. 'There is a new enthusiasm in the club, and a desire to really do well,' said Banerjee, whose first assigment will be in the National League second tier, expected to begin in the second week of February. Practice has already begun.