Bengaluru, July 11 : Former ISRO Chairman Dr K Kasturirangan has been admitted to Narayana Health City for treatment of an acute illness, according to the Narayan Institute of Cardiac Sciences.Preliminary investigations are ongoing, and he is being closely monitored and treated by a multidisciplinary team of doctors, the health bulletin said on Tuesday.Dr Kasturirangan reportedly suffered a heart attack in Sri Lanka and was airlifted to Bengaluru for further treatment.Both the state and central governments are also keeping a close watch on the health and treatment of Dr Kasturirangan, as per Deputy Chief Minister DK Shivakumar.(UNI)