Shares of Aditya Birla Group-owned telecom company Idea Cellular dropped as much as 5.43% to a 7-year low on Thursday. The market capitalisation of the company fell by around ₹1,435 crore to ₹27,856 crore. Idea Cellular on Saturday reported a 193.6% year-on-year rise in consolidated net loss at ₹962.2 crore for the March quarter, in its sixth consecutive quarterly loss.