Payment of Advance Tax

yes, you can pay & pass the entry in the books of company to show your sister concern as a unsecured loan & make a payment via cheque for the same to your sister concern

Yes u can do so

yes

The bank account is not important from which you pay the tax. Just confirm that you pay the Advance Tax against the appropriate PAN because the credit shall go the PAN quoted and not to the person/company from whose bank account the payment is made.

yes u can

 yes u can but remember that u pass the proper entry for that in the books 

CAN I KNOW WHAT ARE THE RESPONBILITIES OF MANAGER TAXATION,

PLEASE EXPLAIN ME

WITH REGARDS

M. MURAGAIAH