India's biggest e-commerce merger deal that will see Flipkart buying out troubled Snapdeal may have hit a roadblock with one of the smaller investors Wipro founder Azim Premji family raising certain objections.This may endanger the completion of the deal or slash the valuation of troubled e-commerce player Snapdeal, a Bloomberg report said. Premji family has raised objections over special payments made to certain shareholders that included payments to two co-founders and two early backers of Snapdeal.Premji family company PremjiInvest on Wednesday wrote to Snapdeal board drawing members attention towards these special payments to early shareholders and founders.