-Contrary to some opinions, it is not entirely unsafe to travel around India. You should definitely take precautions, such as not going out after its too late, avoiding isolated places, etc.
-The electric current in India is at 220/ 250 volts and transmits on 50 cycles. It is AC almost everywhere. Carry foreign power converters if you are brining electrical equipment with you.
-Foreigner visitors are required to pay their hotel bills in foreign currency only, in the form of travelerís checks, cash, or credit cards.