The board of directors of Godrej Consumer Products, which met today, approved a proposal to buy back shares at Rs 400 per share.According to a release issued by the company to the BSE today, the buy back will be through open market with a maximum outlay of Rs 4.80 crore.The board also approved another proposal for buy back from the open market for an aggregate amount not exceeding Rs 10.50 crore, the release added.The stock closed at Rs 288 on the BSE today.