Andaman Nicobar Island is not Developed in more things comparing other parts of India. Here is communication is an issue especially internet communication. Till now there is no 4g in this island.In every part of India where everyone getting Jio 4g connection for their better mobile internet. But in Andaman Nicobar Islands there is No Jio Connection, No 4G Internet Connection. So If You plan to visit Andaman Nicobar Islands One thing keep in your mind You never get internet or mobile network like other parts of India.
Andaman & Nicobar Island is lower internet connectivity and mobile network comparing other parts of India. At Andaman Nicobar island there are 3 companies providing mobile networks .that is Bsnl Vodafone, Airtel. And Vodafone 3g connection also in some part of the island. And Bsnl also provides wifi in Andaman Nicobar island. Here Network Speed is very low so you don't post pond your online work for doing it from here.But in future here, the Network and Internet will Develop.