Tell me name of some best books for preparation of Group II examination of Tamil nadu public service commission ?

Here I am giving you name of some best books for preparation of Group II examination of Tamil nadu public service commission below :

1.State Board books are considered as primary source of TNPSC Exam question setting for all Examination. So you should study following school text books.
i)Social Science Books - 6th to 10th Std
ii)Science Books - 6th to 10th Std, (Additional 11th,12th Botany and Zoology if you have time)
iii)Polity - 11th,12th Political Science
iv)Economy - 11th,12th Economics Books
v)Geography -11th,12th Geography Books
vi)Indian Culture - 12th Indian Culture Book

History
i)Prof.J.Dharmarajan's Tamilnadu History
ii)K.Venkadesan. India Freedom Struggle

Indian Polity
i)Lakshi Kanth - Indian Polity

Indian Economy
i)Pratiyogita Darban's Indian Economy & Ramesh Singh's Book

5.Geography
i)Oxford School Atlas
ii)Spectrum Publication -Indian Geography

Current Affairs
i)The Hindu, Dinamani,
ii)Competitive Success Review/Civil Service Chronicle/Competition Wizard/Shankar IAS Acadamy's Civilpedia(any one of these magazine)
iii)Yojana/Thittam

Science & Technology
i)Science & Tech by Spectrum Publications

India Year Book by Government of India

English Test
i)Objective General English by R.S. Agarwal

Aptitude
i)A Modern Approach to Verbal Reasoning by R.S. Agarwal
ii)Quantitative Aptitude by R.S.Agarwal
iii)Objective Arithmetic - R. S. Agarwal

Guide Books for General Studies
Tata Mc Graw Hill,
Spectrum or Pearson.