I'm surprised by the results myself as browsing experience is pretty terrible tethering on BSNL 3G. But results are outstanding for the Network Diagnostic Test.
TCP receive window: 80736 current, 107184 maximum
0.00 % of packets lost during test
Round trip time: 230 msec (minimum), 2953 msec (maximum), 1069 msec (average)
Jitter: -
0.00 seconds spend waiting following a timeout
TCP time-out counter: 5738
11 selective acknowledgement packets received
No duplex mismatch condition was detected.
The test did not detect a cable fault.
No network congestion was detected.
0.4784 % of the time was not spent in a receiver limited or sender limited state.
0.4850 % of the time the connection is limited by the client machine's receive buffer.
Optimal receive buffer: - bytes
Bottleneck link: -
6 duplicate ACKs set