On a cloudy day in a dingy lane of the Kaparada slums in Kancharapalem, 83-three-old Digumarthi Venkayamma waits for lunchtime to meet her big family of 35 children. Soon, lunch is served in the hall adjoining the terrace of Venkayamma’s modest dwelling. There are moments of laughter followed by some strict words of discipline as she surrounds herself with the …