Tata Motors shed 0.8 percent and Mahindra & Mahindra gave up 1.9 percent on concerns related to an acute shortage of semiconductors. Vodafone-Idea shares rallied as much as 18 percent after the Chairman of Aditya Birla Group (ABG) Kumar Mangalam Birla met with Telecom Minister Ashwini Vaishnaw, helping fuel speculation the...