Sometimes it takes them a few days to be comfortable enough to eat. Moving to a brand new environment stresses them out. Also, make sure the feeder insects aren't too big. They shouldn't be wider than the space between your chameleon's eyes.
Hi Hiten,welcome to the forum,congratulations on ur new baby chameleon,sometimes,when the new chameleon arrive in your home,they still try to adopt in their new environment,just like when i was a new members like you,i was so curious and wondering everywhere to looking for comfort,I wish at the time I have a "new members handbook " hand it to me . What I did was doing alot of research on this forum,and make observations,Im sure you can too,please tell us more about your best buddy like what kind of cham,he or she,vivarium status what equipment u use..all these details,and im pretty sure you will get lots good info from lots good members here to help you.
In the meantime,read and search as much as u can,Merry Xmas to u Hiten.
Ditto. It could take him a few days to get settled in and start eating. What type of chameleon is it? We have some really great care sheets on the Forum to help you out.