Appy Fizz — Charging extra Cooling Charges

One of retailer shop owner named, nellai stores near nellai lala sweets sathyamangalam erode distic tamilnadu usually charges 3 rupees extra on cold drinks. As far as I know there should not be any extra charges levied on printed price which includes all taxes. request you to look into this

I purchased two half litre packs three days ago. Apart from the regular taste, I found it smelling really bad. It tastes awful and don't feel like consuming at all. Please look into it. I'm from Hyderabad.