format for Capital WIP certificate

Just use simple wordings like this : 

Certificate

We have checked the books of account of M/S...................................for the period/year ending on 31 03 ..... From the books of account examined and explanations received for the purpose:

This is to certify that the following expenditure have been incurred towards WIP : 

Building                                           Rs.

Plant & Machinery                       Rs.

...

The above is true and correct to the best of our knowledge and belief. 

For .........................

CA................

thank you so much sir.