Hey Karkala,Do checkout como tomo ( its teat is made to resemble mothers breast), though a little expensive,it ensures to minimize air bubbles and reduces gas and colic in babies. You can buy it on amazon for around 2k bucks.

Pigeon

Itne chote baby ko bottle feed nahi krwana chahie.; feed him by bowl <u>and</u> spoon.

MeeMee, Avent and Pigeon are good to go.

I use AVENT bottles..I find that extremely good..you can try once