(3)In other cases the member of the service shall be given such proportion of such pay and allowances as the Appointing Authority may determine :Provided that the payment of allowances under sub-rule (2) or (3) shall be subject to all other conditions under which such allowances are admissible :Provided further that such proportion of such pay and allowances shall not be less than the subsistence and other allowances admissible under Rule 116.