Tcs entry in tally erp 9

Here it is not confirm that you are asking about journal entry only or about entry by using the function of TCS in tally.

However I am providing the journal entry:-

Purchase A/c ...  Dr.

TCS on purchase of .....   Dr.

   To Supplier Name     

Accordingly you can put the amount above. and if there are VAT/CST amount, then accordingly it will debited as VAT input or added in purchase amount.

And if you are asking about enable the feature of TCS, the it can be done by pressing F11.