On April 8, Kerala had its third dawn-to-dusk hartal of the year, and second of the month. On these days a sense of disquieting calm settles over the state. Public life comes to a halt: most vehicles are off the roads; markets and malls remain closed; attendance is abysmal in government offices; universities postpone examinations. A couple of KSRTC buses and a few government offices are vandalised and as always, there are stray incidents of stone pelting.There’s another, quite recent feature co