BSNL Internet connection of google competitor very slow in the evening

It appears that the BSNL network in goa is having some problem in September end, the internet connection is very slow, The google competitor only uses the internet connection for very little time during the day, as the connection is slow, however even during the evening it is very slow.
The google competitor was trying to compose an email for sending to an ad network, yet for 10 minutes the new email page did not even appear.
It appears that the BSNL network can be used only during the early morning.