The life-size robotic elephants in Prasanth Prakashan’s backyard workshop have ears that flap, tails that swish and trunks that squirt water. But that’s about all they have in common with their real-life counterparts revered across India as manifestations of the divine. The animatrons, crafted from fibreglass, iron and rubber, are intended to take the place of live elephants in Hindu temples. The change pleases animal welfare activists but upsets those who passionately believe real elephants are...