Congratulations timesofindia.
You will need your LIUK test pass certificate for your naturalisation process.
If you loose it, you may have to take the test again, so keep it safely

I think it all depends on individual cases, I had applied on 28th May 2012 and had issues with Biometric systems. I received a call this morning saying my application with 2 dependants has been approved. Mine was Tier1 general category and I had 183 days outside UK, out of which 32 days were for bus...