(A) Maharashtra Ownership Flats (Regulation of the Promotion of Construction, Sale, Management and Transfer) Act (45 of 1963) , S.4— Specific Relief Act (47 of 1963) , S.16— Suit for specific performance of agreement to sell - Plaintiff intending purchaser of flats - Relief of specific performance claimed on basis of conditional letter of intent issued by builder - Mere letter of intent does not give right to plaintiff to purchase flat - Moreso when letter of intent specifically provided that after full payment agreement of sale would be executed - In absence of registered agreement to sell suit filed by plaintiff is not maintainable - In absence of registered agreement subsequent purchaser of flat cannot be said to be purchaser with knowledge of earlier agreement - Plaintiff not entitled to relief of specific performance - Builder however directed to refund purchase price with interest. (Para 22 23 24 25) (B) Civil P.C. (5 of 1908) , O.6 R.1— Specific Relief Act (47 of 1963) , S.16— Pleadings - Suit for specific performance of agreement to sell - Averment that subsequent purchaser of flats were not bona fide purchaser absent in plaint - Contention to that effect cannot be raised by plaintiff. ....