Dr.N.H.Krishna has done Globally prestigious fellowships in Pulmonary Medicine.He is the reputed Fellow of International Medical Academy of Respiratory Diseases- F.I.M.R.D. (U.K.) & Fellow of American College of Chest Physicians - F.C.C.P. (U.S.A.). Dr.N.H.Krishna is a highly acclaimed Pulmonologist & Allergist in India.He has done several achievements in the similar field. GOOGLE SEARCH on his name & Facebook search on his name will help you give a broader picture regarding him.