Mr.Tarun M.Patel Dr.A.M.Patel Dr.Shailesh Shah. Introductory: The title of the books was suggested that it is appropriate to give the brief note about hetero cyclic compounds bearing Triazine ring, Naphthalene containing heterocycles as well as brief note on 4-amino benzene-1-sulfonyl chloride.Triazine is the chemical species of six-membered heterocyclic ring compound with three nitrogens replacing carbon-hydrogen units in the benzene ring structure.