India, March 8 -- T he seeds of 40-year-old Prabhakar Kamble's calling were sown early in his life. His parents worked at a textile mill in Kolhapur, Maharashtra. Like most of their workmates, they were actively involved in the anti-caste and trade union and labour movements. Kamble says his earliest memories are of textile workers gathering for weekly celebrations that involved singing Bhim Geete, or songs in praise of BR Ambedkar. "All the people I was inspired by had trained themselves or they learned it from people like them. Inspired, I started my artistic practice painting signboards, background banners and advertisement hoardings." At the Anand Warehouse in Fort Kochi, a giant painting harks to Kamble's pre-art-school practice: the 6...