Under Section 80CCD(2), up to 10% of basic salary put in the NPS is tax deductible. There are some tax-free perks, such as a gadget allowance, meal coupons and reimbursement of expenses on books and periodicals that a salaried employee gets. Under Section 17(2), gadgets bought in the name of the company, and given to the employee for personal use, are taxed at only 10% of the value. Sudhir Kaushik of TaxSpanner.com tells readers how they can optimise their tax by rejigging their income and investments.