Vodafone India — call drop or not clear

Address:

Bangalore Urban, Karnataka, 560032

I am working at ids business solutions p ltd, rt nagar bangalore and last few days all outgoing calls and incoming calls are getting dropped and some times, i am not able to hear others speaking...

If i leave my office and walk outside on the road, then i am able to get calls and make calls.

At home i am able to receive calls. My house is at murugeshpallya, bangalore