Certificate of Publication
	ISSN NO  : 2249-894X              Review Of Research Journal International Recognition Research Journal This is to certify that our Editorial, Advisory, and Review Board Accepted Research Paper of Dr. /Shri. /Smt.: Upendra Kumar Topic:-A STUDY ON RECENT DEVELOPMENTS AND FUTURE TRENDS IN OPTICAL FIBER TECHNOLOGY [ Research Scholar in Physics , L.N.M.U. Darbhanga. ] The Research paper is Original & Inovative it is Done Double Blind Peer Reviewed. Authorised Signature Ashok Yakkaldevi Editor-in-Chief
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