Answer:
Airtel - It is most suited for the professionals as it is a bit costly than other service providers but its service is uninterrupted.
Voda Phone - It offers different hybrid packages for its customers. This is cheap and people prefer this network because of value for money.
Reliance - It provides both prepaid and postpaid facility for its users.
Explanation:
Cell phone service providers in India are keen to retain their audience as the switching cost for the customer is low. People can easily switch to other network if they find any dis comfort in the service. Network service providers find a way to retain their customers and they keep offering different low cost packages to its users.