CONRAD DIAS   Ranchi, Dec 22: Renowned bird watcher and author from Dhanbad AK Sahay believes that the number of migratory birds found in Jharkhand water bodies during winters has gone down by 20 per cent in the last two decades but is in a recovery stage. “As compared to 2002, the number is less … Continue reading Jharkhand sees 20 pc decline in migratory birds since 2002