Breast milk or formula ONLY. No water, honey, gutti or anything else. The recommended age for starting solids is 4-6 months.
Signs that your breastfeeding baby is getting enough nourishment:
While breast milk is best for the baby and should be the first choice, formula feeding is also an option if there are social, medical or other constraints. Mothers should try to breast feed atleast in the initial 3-4 weeks, as breast feeding is well established by that time and most healthy antibodies are transferred in the initial days. If formula feeding is to be done, combining it with breast feeding should be considered. Breast feeding should be done first, followed by formula feeding in this case. If you plan to use formula for occasional feedings, limit bottles to one per 24 hours to avoid slowing your milk production.
Make sure that the formula that you use for your baby is iron-fortified to prevent anemia. Follow-up formulas are specifically designed for babies 4 to 12 months old who are already eating some solids. Follow-up formulas contain more calcium, iron, protein, and calories than infant formulas. They're often a bit cheaper too.
Cow or Buffalo milk should not be introduced to the baby before atleast one year of age.