Which of the following films won the best film award in the 48th International Film Festival of India (IFFI), organized from November 20 to 28, 2017 in Panji, Goa?
In what ratio should Darjeeling Tea costing Rs. 400 per kg be mixed with Assam Tea costing Rs. 300 per kg. So that by selling the mixture at Rs. 408 per kg, there is a gain of 20%?