my subject is Contract Law. please answer as soon as possible

1. Behram employed Tahseen to sell his car to Asad for Rs. 500,000 and invest the proceeds in Government Bonds. Tahseen invested Rs 400,000 in Government Honds and R$ 100,000 in a Blue Chip Company expecting a high return on such investment Consequently, Behram fost Rs. 50,000 on the Blue Chip Company and Rs. 75,000 on Government Bonds. With reference to the provisions of the Contract Act, 1872, describe the rights and obligations, if any, of Tahseen under the circumstances