Reuters Market Eye - Coal India shares were trading sharply down on ex-dividend day on Friday. State-run Coal India had said on January 14 it would pay an interim dividend of 29 rupees a share, or 183.2 billion rupees, in the current fiscal year that ends on March 31.
The miner's shares closed 10.13 percent lower at 272 rupees after having gained 4.76 percent from January 15 until Thursday's close.
(Reporting by Indulal P)