Mahindra and Mahindra (M&M;) missed analyst's estimates on earnings front on as profit fell sharply by 20.1 percent with the rise of net sales by 5% The company has reported 20% drop in consolidated profit at Rs 772.31 crore for first quarter ended June 2017. Net sales rose 5% at Rs 11,094crore. The quarter witnessed drop in margins. Performance was mainly hit by automotive segment but was supported by tractor business.Total auto sales (passenger and commercial vehicles) during the quarter declined 4%...