आई. एफ. एस. अधिकारी जो पादप अंधापन का इलाज करते हैं एक बार में एक नाम

Om Prakash Sharma Vidyarthi has spent 15 years doing something unfashionably concrete. He walks people up to a tree and teaches them its name. Not the Latin binomial, though he knows that too, but the Dogri, the Kashmiri, the Pahari. The na