Service tax applicability

A property is co owned by two persons jointly. Rent is received is crossing threshhold limit of Rs. 10.00 lacs but below 20.00 lacs. The owners status as per income tax is AOP and Income tax return is filed as Assocoation of Persons. The rent received is withdrwan equally by both the co owners from bank account where the rent received is deposited. Can both claim that since rent received is less than 10 lacs by each of the co owners and service tax is not payable or service tax is payable considering the rent received jointly and crossing 10 lacs.