I did my doctorate degree in Chemistry from BHU, Varanasi, India, in 1993. after that i have worked as Research associate and then moved Japan for post doctoracl research work at university of Tsukuba, tukuba, Japan. Then I joined as Scientist at DRDE, Gwalior, India. I have 45 papers credit in international journals, two chapters in encyclopedia of sensors (published from ASP) and one chapter is under publication in encyclopedia of semiconductor naoparticles. I have presented more than 30 papers in confernces. i am refree of Biosensors & Bioelectronics, Electrochim acta, sensors letter, Anal chim Acta journals.