Gujarat dairy co-operative Amul has announced a hike of up to Rs 3/litre on fresh milk effective immediately. Post this revision, the price of Amul Gold will be Rs 66 per litre , Amul Taaza will be Rs 54 per 1 litre, and Amul cow milk Rs 56 per litre and Amul A2 buffalo milk will now cost Rs 70 per litre, it said in a statement on Thursday.