Bro we just need to find a guy who's using static ip on bsnl. Make him run all the tracert and we will get answer to your question. I am just another fps gamer who's on bsnl and getting frustrated on everyday my dynamic ip address changes. you can find out that some series of ip's have better routing CS-GO ping fix for BSNL user : IndianGaming from that post.
These are the results one of the guys with Static IP has shown me. These results are great, honestly. (1/2)