Airtel Broadband is the best broadband whereas the connectivity is concerned.During the bad weather such as rainy season etc many networks loose their connectivity but airtel broadband still works.airtel is little expensive when compared to the other brands but the connectivity and speed that a person gets in airtel broadband is worth that much of expense.
Airtel has best customer care support.Airtel Broadband makes use of the fibre optics technology which makes it give a good connectivity.I highly recommend airtel broadband over other broadband networks.