The health condition of Jr NTR's cousin Nandamuri Taraka Ratna, who was hospitalised after suffering a cardiac arrest, is still critical, the health bulletin from Narayana Hrudayalaya in Bengaluru released on Saturday stated. "Nandamuri Taraka Ratna suffered cardiac arrest in Kuppam on January 27 and shifted to a hospital in Kuppam with resuscitation for 45 minutes and primary treatment. Narayana …