Hello ,Any one Facing signal problem in BSNL EVDO in Valasaravakkam and Porur area in chennai. Every 1 hr the entire signal goes off and then i get 2 bars in 3g and 1x after 2 hr. I have been using evdo connection for last 3 yrs with out any problem as the tower is situated just opposite to my house. am planing to surrender the connection.