please suggest me which formula powder I can give to my 5 months old baby?

It's advised you exclusively breastfeed till 6 months. If you have to use a formula you can try Similac Advance or NanPro

nan pro 1 is good I gave to my child upto 2.5 years

Suggestions offered by doctors on BabyChakra are of advisory nature i.e., for educational and informational purposes only. Content posted on, created for, or compiled by BabyChakra is not intended or designed to replace your doctor's independent judgment about any symptom, condition, or the appropriateness or risks of a procedure or treatment for a given person.