Abhijeet Ravi Raj, thank you for reporting this and helping make Ubuntu
better.
1) Regarding bluetooth, this appears a known issue due to the vendor not
providing upstream support:
https://bugs.launchpad.net/ubuntu/+source/linux-lts-trusty/+bug/1355096
Regarding WiFi:
2) Could you please
Thanks for taking the time to report this bug and helping to make Ubuntu
better. We appreciate the difficulties you are facing, but this appears
to be a "regular" (non-security) bug. I have unmarked it as a security
issue since this bug does not show evidence of allowing attackers to
cross
