There are many benefits or advantages of registering a trademark in India, to name a few:
Registration grants statutory protection to a trademark.
A registered trademark proprietor has the option to initiate infringement actions by filing a suit for infringement in India.
A registered trademark proprietor can also file recordal of license of his trademark with the Trade Marks Registry.
The proprietor of a registered trademark can use the symbol ® in India in respect of those goods or services for which the mark has been registered. Using the symbol ® unless the mark has been registered in India is unlawful. Using symbol TM with trademark simply means that one claims to be the proprietor of the trademark through mark may not be registered.