FOR more than a fortnight, Sankho Saha didn’t give much thought to the sudden swelling in his limbs—the drudgery of a lower middle class life didn’t afford such luxuries. Wife Maina thought he had probably bumped into a wooden table at the little Kamakhya eatery they run in Guwahati’s Fatasil Ambari area, serving rice and curries mainly to labourers and migrant workers.