Vodafone India — signal is so much low when inside my home

Address:

Tiruvannamalai, Tamil Nadu

When inside my home there is no signal shown in my handset (I have two no both handset getting the same problem) out of home and nibor home Also signal is getting good in my set, since data can't able to connect. My home address is no 3/370 kamarajar street mullipet arni t.k thiruvanamalai dist TN. I got the same problem when I was in chennai.