New Delhi, July 17 -- As climate activist and educator Sonam Wangchuk's indefinite hunger strike entered its 20th day on Friday, he asserted that he would "stay alive till July 20 at any cost," amid a warning from his doctors that his fast has reached a critical stage.

Addressing his supporters at the protest site, Wangchuk, who has been on a hunger strike since June 28, acknowledged that his physical condition is weakening but noted that his resolve remains unshaken, news agency PTI reported.

He said, "I am weak from the outside but very strong inside. I am sure all of you are strong from the inside, and outside too. We need this energy for July 20, when we will take out a peaceful march to Parliament. We will go together and present o...