Child Line is a national, 24-hour, free, emergency phone and outreach service for 0 to 18 year children in need of care and protection. Initiated in 1996, as a pilot project in Mumbai, Child Line is currently operational in 820 cities across 35 states and Union Territories in India. 
Child Line reaches out to the most marginalized children with the aim of providing them rehabilitation and care from unsafe situations. Child Line provides relief and rehabilitation in the space of shelter, medical aid, repatriation, rescue, emotional support and guidance, abuse, sponsorship etc.
So if you see any child in distress or in crisis, contact 1098.