Sonam Wangchuk has lost nearly 9.5 kg weight within 20 days of his indefinite hunger strike at Jantar Mantar. According to Dr Satish Lamba, the climate activist lost another 350 g weight in last 24 hours, taking his total weight to 56.55 kg. "Blood pressure is 108/68...There are signs of mild dehydration today. Mentally, he is alert," added Dr Lamba.