Hello best aquarium shop

Hello I wanted to know what is the actual price of guppy fishes and molly fishes and where can get it ,at cheapest price i buyed a small betta fish for 80 rupees she's small what's the actual price of guppy and molly I want to them,bcz years back I used to buy this fishes for 10₹ 15₹ rupees uske baad abhi ka mujhe Idea nhi hai