Voucher is a very important part of recording transactions because it is a evidencial document of transactions 
वाउचर लेनदेन को रिकॉर्ड करने का एक बहुत ही महत्वपूर्ण हिस्सा है क्योंकि यह लेनदेन का एक साक्ष्य दस्तावेज है

There are 9 vouchers that helps us to maintain our books of account 

9 वाउचर हैं जो हमें हमारे खाते की पुस्तकों को श्रेणीबद्ध करने में मदद करते हैं

1. Sale:- (use to record our sales )
2. Purchase:- (use to record purchases )
3. Debit note:- (to record purchase returns)
4. Credit note:-(use to record sales returns)
5. Payment:- (use to record our payments)
6. Receipt:- (use to record our received money)
7. Contra:- (deposit or withdrow from bank)
8. Journal:- (to record payable,or receivables)
9. Memorandum:-  (record transactions as a rough note)