(A) Specific Relief Act (47 of 1963) , S.12, S.16— Specific performance of part of contract - Agreement to sell land - Suit for specific performance - Plaint subsequently amended to change description of suit property - Despite amendment substantial portion of suit land remained same - Decree for specific performance can be granted as regards part of suit property - Additional averment/proof of readiness, willingness - Not necessary since substantial parts of suit property remained same. (Para 19) (B) Specific Relief Act (47 of 1963) , S.16(c)— Suit for specific performance - Readiness and willingness of plaintiff - Agreement to sell land - Plaintiff paying part of sale consideration on execution of agreement - Averment in plaint that he had gone to Registration Office for getting sale deed executed and registered but vendor did not turn up - Balance consideration deposited on date of filing of suit - Readiness and willingness of plantiff stands proved. (Para 20) .....