Section 11(5)(b) in The Orissa Estates Abolition Rules, 1952
(b)four per centum per annum simple interest, if the principal ascertained exceeds Rs. 10,000/- (Rupees ten thousand but does not exceed Rs- 50,000/- (Rupees fifty thousand) but in no case shall the amount of interest calculated on any such principal be loss than the amount calculated on any such principal under Clause (c);