Art and Design Team Layout THY Designers and Computers Chennai QC Manohar Radhakrishnan Gopu Rasuvel Wrapper Design Kathir Arumugham Co-ordination Ramesh Munisamy Typist T. Meena This book has been printed on G.S.M. Elegant Maplitho paper. Printed by offset at: Academic Coordinators Mr.
Ravikumar Arumugam Deputy Director, State Council of Educational Research and Training, Chennai. Mrs. Tamil Selvi R. B.T.
Assistant, Government High School, Poonampalayam, Trichy Dist. Mr. A. Palanivel Raj Assistant Professor, SCERT, Chennai Mrs.
Nevedha Selvaraj Assistant Professor, SCERT, Chennai QR Code Team R. Jaganathan, S.G.T., PUMS, Ganesapuram- Polur, Thiruvannamalai Dist. N. Jagan, B.T.
Asst., GBHSS, Uthiramerur, Kancheepuram Dist. J.F. Paul Edwin Roy, B.T. Asst., PUMS, Rakkipatti, Salem Dist.
Authors Mr. Ramakrishnan V. G. Post Graduate Teacher, Karnataka Sangha Hr Sec School, T.Nagar, Chennai.
Mr. Kannan K. Post Graduate Teacher, Chennai Girls Hr. Sec School, Rotler Street, Chennai.
Mrs. Bindhu Mohandas Post Graduate Teacher, Vijayanta Model Hr. Sec. School, H.V.F Estate, Avadi, Chennai.
Mr. Gowrisankar N.V. Post Graduate Teacher, Chennai Girls Hr. Sec School, Nungambakkam, Chennai.
Mr. Sreenivasan R. Post Graduate Teacher, Santhome Hr. Sec.
School, Mylapore, Chennai. Mr. Lenin K. Post Graduate Teacher, Chennai Girls Hr Sec School, Saidapet, Chennai Miss.
Sangeetha A. Post Graduate Teacher, Govt. Hr. Sec.
School, Rajanthangal, Thiruvannamalai. Dr. Valarmathi K.E. Post Graduate Teacher, Academic Council, Velammal Vidhyashram, Surapet, Chennai.
Mrs. Gajalakshmi R. Post Graduate Teacher, Jaigopal Garodia Hindu Vidyalaya Hr. Sec School, West Mambalam, Chennai.
Dr. (Mrs). Vidhya H. Post Graduate Teacher, DAV Boys Senior Seconary School, Gopalapuram, Chennai.