query in tax

Q1-   case: Mr A who is a business man, has a son studying in an engineering college of India, the tuition fees is Rs 80000, can MR A claim deduction under section 80C(17) and if yes then what will be the amount of deduction?

Q2 Repayment of amount borrowed by the assessee from central govt or state govt or LIC or NATIONAL HOUSING BANK, IS IT DEDUCTIBLE FROM GROSS TOTAL INCOME ?