One of the most popular Andaman package is for 6 days. This covers Port Blair, Havelock and Neil Island. Here is a short summary of the tour
Day 1 - Airport Pickup. Later visit to Carbyns Cove Beach, Cellular Jail and Light and Sound show.
Day 2 - Port Blair to Neil Island and Visit to Laxmanpur beach.
Day 3 - Visit Neil beaches in the tour and later transfer to Havelock Island in cruise.
Day 4 - Do Scuba Diving and Later Visit Radhanagar beach for sunset
Day 5 - Speed boat ride to Elephant Beach and Evening return to Port Blair
Day 6 - Airport Drop