Go to an MGP store and buy the replacement muffler, paint it with red oxide and get it installed at a local garage.
Look for MGP stores in your location on this website: http://mgp.co.in/
Click on the locate MGP exclusive outlets on the right hand side of that page.It will take you to a state and area selection.Brings up three exclusive stores in Shimla alone.
Do you know any tuners located in Shimla that make FFE's?
If you want one I can arrange one here(either in stainless steel/Mild Steel), am not sure of the shipping costs.