In India you will find the state-of-the-art technology in Indian modes of communication. There is an availability of all the modern communication forms in India.
Public Phone Booths : It is main communication mode in India. In India it is generally known as PCOs. PCOs provide the facility for local (within the city) calls, STD (Inter - State) calls, ISD (International) calls.
The ISD code of India is 91
An international call, dial 00 (international access code from India) followed by code of the country you are calling followed by the area code and then local number.
Mobile (Cell) Phones : Another main communication mode is Mobile or Cell phones. If you use a mobile phone with the tri-band technology, you can easily use it here. You don't need to use the service provider of your own country.You can buy a prepaid sim card from any service provider
Internet : India is connected to the world through the Internet also. Almost every urban household has access to high speed Internet. Internet has also reached rural India. You use the cyber cafes to access the internet, these provide all the Internet facilities like e-mail, chatting, voice chat, etc.
Fax : In Fax services is also available. All telephone office, Most public telephone booths and stationary shops have facilities to receive fax and are open 24 hours a day.
Postal Services : Postal Services in India very good as compare to other countries. On time letters are delivered to their respective location. You can make use of postcards, letters, etc. Indian postal service also offers Airmail services to Europe, Australia and Africa takes almost a week. For America, it takes a little longer than a week say around 10 days. Courier services is also available in India. For faster communication, use telegrams, speed post and courier services.