JAIPUR: A Wildlife Institute of India (WII), Dehradun, team is currently at the Sariska national park. It will try to change the VHS radio collar of male tiger ST-4 that has become defunct for quite some time.
According to forest department officials, "A two-member team from the WII has been in the park for some time. They will try to tranquillise the male tiger in a day or two.