hi.. as dr give vaccine to our child they say pain wala injection or pain less wala injection what to get we as parents prefer painless injection for our babay but dr charge double for painless injection WHY. and what if they say for painless but giving our baby regular injection how do parents know this... plz help me I have 4 month baby from birth till now I spend 10,000/- 15,000/-or more but not less on just vaccine... plz help.