Indian Express, August 12, 2010 Ahmedabad - The U N Mehta Heart Institute Nursing Association has challenged the enforcement of Gujarat Essential Services Maintenance Act (GESMA), 1972, in the Gujarat High Court, a day after it was invoked on the nurses of the institute who are on a strike since Monday. The hearing on the petition is scheduled for Thursday. Advocate Amrish Patel, who filed the petition, said GESMA was challenged as the notification was without any authority of law. The institute was not a solely government operated body, but only received grant-in-aid. As such, enforcement of GESMA was not applicable under the present circumstances, he said. ... Nurses