For Chaats: Kolkata chaat wala near Bata showroom
For frankie: Tibbs centre
For beer and chakans: Pecos
You are blessed with a lot of option when it comes to this place. There is a store named Nilgiris which is quiet old and has all that you need for your kitchen or home (grocery and eatables).
Its a perfect place if you plan spend your day shopping and eating around......
I hope this would help..!!!