I AM RESIDING IN MUMBAI. I HAVE A COMMERCIAL BUIDING IN LUCKNOW WHICH IS GIVEN ON RENT. I AM REGISTERED UNDER SERVICE TAX AND PAYING SERVICE TAX ON RENT COLLECTED IN MUMBAI. I AM ALSO INTO JEWELLERY BUSINESS IN MUMBAI AND REGISTERED UNDER VAT. I HAVE MIGRATED INTO GST FOR MY JEWELLERY BUSINESS. DO I HAVE TO TAKE SEPERATE REGISTRATION FOR RENTING OF IMMOVABLE PROPERTY ? AND IF YES WHERE IT SHOULD BE REGISTERED IN MUMBAI OR LUCKNOW ?