1: Sikh leader grovels or doodles! (7)
6: Drongo lacks even a pet (3)
7: Proficient in arithmetic, starting with short division (5)
8: Coats need woven yarns (9)
10: Scheme conclusion for jet set (5)
11: Frost to cover the cake (3)
12: Shelter Dracula's heart - he's representing blood-suckers (7)