Stamp Duty at Interim Stage is relevant

K.B. Jayram v. Navineethamma, AIR 2003 Kant 241 (para 4)


the court below would have been justified in first insisting upon the payment of the stamp duty and the penalty on the agreement to sell before it could issue an injunction in favour of the appellant on that basis. 




Also see 


Conwood Agencies v. Namdeo Pandurang, 2005(1)ALLMR335, (2005)107BOMLR319

[A] Civil Procedure Code, 1908 - Order 18, Rule 4 - Order 7, Rules 3, 4 -- Bombay Stamp Act, 1958 - Sections 33, 34, 37 -- Registration Act, 1908 - Sections 17, 18, 49 -- Admissibility of document in evidence - Admissibility objected to on the ground that it is insufficiently stamped - Court must at the outset determine the question of its admissibility before allowing the party to rely on such document even for collateral purpose.