New Delhi, Feb 20 (PTI) The government has fully exempted customs duty on import of extra long staple cotton, and has cut duties on specified varieties of imported blueberries, cranberries and frozen turkeys. Finance Ministry has slashed import duty on certain items of blueberries and cranberries from 30 per cent to 10 per cent in some cases and 5 per cent in other cases. The duty rate changes on frozen turkey, specified cranberries and blueberries and their processed products is to implement the recommendation of the Department of Commerce.