AHEAD INTERNATIONAL JOURNAL OF RECENT RESEARCH REVIEW (AIJRRR) (www.aijrrr.com) Bangalore-560083, INDIA. Online ISSN: 2456-205X Impact Factor: 6.172 CERTIFICATE OF PUBLICATION This is to Certify that Mr./Mrs./Ms./Dr. M. Mary Sanuja has published research paper in " AHEAD International Journal of Recent Research Review (AIJRRR) peer reviewed and refereed journal, Volume- 1, Issue- 23, May 2018, pp. 14-22." Paper Title:- " PLANARITY IN GRAPHS AND GRAPH COLORING. " Chief Editor Managing Editor