Initially Government of India, Department of Telecommunications (DOT) started to provide Internet services or all telecom related services in India by Videsh Sanchar Nigam Limited. On later stage as demands got increased, Government of India has opened up the doors for Private Sectors as well. Now Private Sector Company can also apply for Internet Service Provider (ISP) Licence. This license is commonly known as Unified License (UL). Private Sector Companies can apply for ISP license for different areas under Unified License. It is mandatory for Company to have Unified License for providing ISP services for a certain area. One Company can acquire only one Unified License (UL), but can also apply for more than one ISP Authorization for other areas. Although validity of all Authorization shall be till the validity of Unified License (UL)