Section 23(2)(a) in Tamil Nadu Inam Estates (Abolition and Conversion into Ryotwari) Rules, 1965
(a)Where the part of the inam estate held by a religious, educational or charitable institution or a service-holder is not distinguishable separately on. ground by metes and bounds, and the total income from the inam estate is shared between the institution or service-holder and the other landholder or landholders, the tasdik allowance payable to the institution or the compensation and the interim payment payable to the service-holder shall bear to the total basic annual sum the same proportion as the share or the income derived by the institution or service-holder bears to the total income from the inam estate.