I had herd many questions about sify DNS.......here is my solution....if you like it plz reply......!

steps PART 1
1.Go to sify broadband directory in ProgramFiles......
2.open a Configuration file known "BBand"
3.Now scroll down & u will see [DNS]
NameServer=202.144.66.6(or must be 202.144.13.50)
4.Change it to [DNS]
NameServer=208.67.222.222
5.and In the next line..make another
like this [DNS]
NameServer=208.67.222.222
NameServer=208.67.220.220

Part 1 is over now!

and also thanks to openDNS... OpenDNS | Providing A Safer And Faster Internet ...for providing this best DNS service which is faster,safer&quicker!!!!.......

and after that.........take some simple steps from part 2
Steps part 2
1.Open My Network Places from your Desktop......
2.Click on View Network Connection from Network Tasks.......
3.after that...Right click on L.A.N(Local Area Connection)...& click on properties.........
4.and a new window appears.....now,double click on Internet Protocol(TCP/IP)
5.again a new window appears....now change your Preferred DNS server to......208.67.222.222....and now change your Alternate DNS server to..........208.67.220.220...........DONE!!!!!!!!