This is to certify that M/s Thermosonics P.vt Ltd. have successfully designed, manufactured and executed noise isolation work of our 1000 kva DG set as per our work order No:EGPL/PO/TSPL/435 dated 17 August 2007.

The stipulation of this order was to design and execute the said work to bring down the noise level of 110dBA to 70dBA measured at 1 metre distance. The area covered is 14460 sq.ft. Contract value of the work was Rs. 19,52,100/-.