Havelock is a pretty place, which is in Andaman And Nicobar Islands. I have visited there and I really enjoyed. In Have lock there is a beach called Radhanagar Beach it is the most prettiest beach I have ever visited.There you can do scuba diving ,swimming etc.This beach is ranked number 1 in the top 9 beaches in India. It is famous for its white sand ,clean water and serene view. You can also click beautiful pictures there.You can reach there by ferry from Port blair. Do visit this place someday .