Raigad police in Maharashtra on Friday registered an offence against five persons including Edelweiss Group chairman Rashesh Shah for alleged abetment of art director Nitin Desai's suicide. A First Information Report was registered under Indian Penal Code sections 306 (abetment of suicide) and 34 (common intention) at Khalapur police station based on a complaint filed by Desai's wife Neha Desai, an official said.