New Delhi : Shares of InterGlobe Aviation, the parent of IndiGo, dropped over 7 per cent in the past four days ever since a crisis engulfed the airline, where it cancelled a large number of flights, leaving thousands of passengers stranded for several hours.In the past four trading days, the stock has lost 7.23 per cent on the BSE. On Friday, the stock declined 1.22 per cent to settle at Rs 5,371.30 apiece. During the day, it dropped 3.15 per cent to Rs 5,266.

On the NSE, shares of the firm ended 1.27 per cent lower at Rs 5,367.50 each. In the last four days, the stock has declined by 7.30 per cent.The company's market valuation has eroded by Rs 16,190.64 crore to reach Rs 2,07,649.14 crore since December 1.Air travel across India remained in chaos for a fourth straight day on Friday as

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