Till 6 months exclusively you must breastfeed. And after that till 1year along with other foods breastfeed also to be given. Then it's your choice after 1 year.

World health organisation k anusar 2 saal tak feed karana chahiye. Waise ek saal tak toh aap pakka se feed karaye. Uske baad cow milk shuru kiya jaega toh aapki marji hogi aage

Jab tak baby peyegea tab tak pilanahai.