Myntra.com — return /exchange not available

Address: 823/54,3rd main road RMS colony bhattrahalli Bangalore-560049, Bangalore, Karnataka, 560049

I have purchased tommy Hilfiger trunk order no[protected]-2201503). Before purchase checked size chart as per chart I have ordered the material.But which size chart available below the trunk picture it was wrong.
Ex:- Actual:- L size:-36-38. Your size chart:-31.5 in.
My request please exchange the material I have purchased XL size but I need L size.
Please find the below snaps.