Restraint of trade | ‘A’, a Doctor, employed another Doctor ‘B’ as assistant for a period of 3 years on a salary of Rs. 3,000/- per mensem. There was an agreement between ‘A’ & ‘B’ which provided that after the termination of his employment, ‘B’ shall not practice as a Doctor… ‘A’, thereupon, sued ‘B’ for the recovery of Rs. 50,000/-. Decide.