JUDGEMENT :- This second appeal is by the wife in a suit instituted by her against he husband for enforcement of an agreement entered into by them on May 12, 1973.

2. Various disputes and differences arose between them at an earlier stage which prompted the wife to file a suit for judicial separation. During the pendency of the said suit the husband wrote a letter to the wife as under :-

"Sm. Sandhya Chatterjee, 12-5-1973. 194/C, Rash Behari Avenue,

Calcutta-29.

I agree to pay you Rs. 260/- (Rupees two hundred and sixty only) for your maintenance and the maintenance and educational expenses of my son and shall pay Rs. 90/- (Rupees ninety only) to my daughter for her maintenance and educational expenses. I also agree to pay 55% of the bonus which I shall get annually from my company. I shall bear the marriage expenses of my daughter Shyamalima according to my means on receipt of the information of the marriage provided the groom is approved by me.

The amount of maintenance will increase or decrease in proportion to rise and fall of salary and allowance.

This will take effect from the month of April 1973 and first payment will be made by the 30th of the month of May 1973 and subs