Mix and match plans:

It means you can use mix plans of various networks and can enjoy them on one same handset.

Reduced roaming:

When you need to travel abroad, the dual SIM feature benefits you. In other country you can hold one SIM of your home country and other of your present country. This will reduced the roaming charges to some extent.

Mix business with pleasure:

If you are a business person and want to use two numbers, one is for business and other is for home then the dual SIM mobile will greatly help you out.

Sharing your phone:

If you want to share your phone with someone then the dual SIM feature will benefit you a lot. By using dual SIM mobile you can manage different contact book and can hold totally different network management.

Data and Voice:

Now it is very common practice that a network might have good call package and other is offering good data services. So you can use dual SIMs for availing both the services.

Guaranteed coverage:

For making sure the service presence you should hold dual SIMs with yourself. In some areas might be you will not get signals of your home SIM, so at that time the extra SIM will benefit you and you will be in contact with your friends and family all the time.