Post Dated Entries

For post dated entries in any voucher, Press Ctrl + T. Post Dated Entries means that the entry in made now but it wont effect the Profit and Loss Account or Balance sheet. The effect will take place after the actual amount is received.
This entries are useful in cases like post dated cheques are receipt or paid, or in case of bills.

Reversing Journal

For Reversing Journal go to Accounting vouchers and press F10. If any mistake is done it can be rectified with the help of Reversing Journal.
There is a possibility that by mistake you have to rectify the mistake without deleting the entry, as deleting the entry will effect the Profit and Loss Account and Balance Sheet.
In this case you have to use Reversing Journal. These adjustment has to be done by placing the proper ledger in debit side and the other ledger in credit side.

Memorandum Voucher

First activate this voucher by first pressing F11 -> F1 -> set 'Use reversing journal and optional' as 'yes'.
For memorandum voucher go to Accounting Vouchers and press Ctrl + F10.

Why memorandum Voucher is used??
This question can be answered by a simple example.
Suppose a employee of a company is being sent to some place for a week or so. Company provides him Rs. 3000 as travelling expenses and tells him that he has to show each and every expenses made by him. In this case the Accountant enters Rs. 3000 as expenses but he unaware of the actual amount at that very moment, he will come to know about it after the employee returns.

In this case, the you will pass an entry n memorandum voucher showing that Rs. 3000 has been given to the employee as travelling expenses. Then after the employee comes back you will come to know about the exact amount and then go to Display -> Day book -> select the voucher entry previously made -> Make necessary changes -> Press F5 for payment/F6 for receipt.If the expenses made by the employee is more than what was paid by the company before then payment has to made, and if the expenses are less then receipt is to be done.

Optional Voucher

If you don't want any entry to be shown in the Profit and Loss Account. Then press Ctrl + L in any place.
It can be done while passing vouchers i.e. receipt, payment, journal, contra, etc. It can be done in any voucher. If you want it to be shown in the Profit and Loss Account then open the entry and press Ctrl + L again.
To change the date press F2.

Bank Reconcilliation Statement(BRS)

Reconciling the companies bank accounts with the banker's statement is a fundamental and routine task of Accounting. in Tally Reconciliation can be done for any company.
The process in Tally is linked to the information that is provided while creating bank ledger. You will notice that the moment you select the 'bank account' group for a bank ledger, the field- "Effective Date for Reconciliation" appears. Normally this would be the 'Book Beginning from' date itself. You can also specify any other date reconciliation as per your needs. It may be noted that any transaction prior to the 'Effective Date for Reconciliation' will not be considered for reconciliation purpose. After creating all bank accounts and passing the necessary transaction purpose. After creating all bank accounts and passing the necessary transactions with them you need to reconcile the Bank Book with the Bank Statement.

In order to that perform the following:
Gateway of Tally -> Display -> Accounts Books -> Cash/Bank Book(s).
Select the bank whose balance you want to reconcile. Select the month which the bank balance you want to reconcile. Press F5. Put the dates of clearing amount i.e. the date when the amount goes out of bank.