OnePlus has launched a new smartphone exchange program where-in those trading-in their old smartphone for a OnePlus device will be entitled to receive discounts up to INR 16,000, which translates into around $240 at current exchange rates.The offer is valid on the purchase of the OnePlus One, OnePlus 2, as well as the OnePlus X. Needless to say that the $240 discount is the maximum that one get