Injury to CM Mamata Banerjee's leg in Nandigram was caused due to the car door, West Bengal Chief Secretary said in his report to the Election Commission. The Trinamool Congress chief was discharged from the SKKM Hospital in Kolkata after undergoing treatment for two days.

West Bengal Chief Secretary Alapan Bandyopadhyay submitted his report to the EC in this regard on Friday evening.

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