Since you have only five days for Andman,so can explore few sights like as.
Cellular Jail Light And Sound Show
Ross Iland
Bartang and Mud volcano
Havelock
Return from Havlock before noon can visit Naval Museum and the market.
Reach port blair - visit cellular jail in der From there you get fairies to take you to different islands. Must - havelock island 🏝, neil island Can check out my post ! I have a post on andaman and nicobar. Hope it helps