India is the second most populated country consist of several/numerous kinds of people/folks. Initially, the foreigners shouldn't make mock the religion/ customs/rituals followed by the Indians. Especially, for female travellers, it's better to travel in day time instead of at night. Goa being the most attractive tourist place it's mandatory (for women) to be cautious about sexual harassment and addiction as well. It's better to live in-group. Tourists should go for vegetarian food and avoid asking for beef because it is against religion. They should know to haggle with the locals else the people will borrow/seize/take additional/extra/more money than the original/actual MRP(Maximum retailers price). They should avoid alcoholism in public areas places and wear conservative clothes. Foreigners should prohibit visiting the Naxalist/terrorist region and be aware of the pocket pickers as well.