This is to certify that M/s Hind Insulations have executed noise isolation work as per our purchase order No. TFR/PD/CU9-750/92314 dated 25/02/2000. The condition of this order was that M/s Hind Insulations was to carry out the work and prove the result of noise isolation to an extent of 25 dBA.

On completion of the said work noise measurements were done and found to be satisfactorily making the conditions of work order.

We are satisfied with M/s Hind Insulations workmanship and service.