I am accountant in cinema theatre, we have not crossed turnover limit in FY-17-18, our business is below 20 lakhs in FY-17-18 now we want to cancelled registration wef 30.04.2018, as per GST portal i have not found option in GST cancellation application form, can i choose option for cancellation is other & specify in remark ( As turnover limit not crossed in FY-17-18), please guide me.