"Sri Mahan's English Hindi Tamil Computer Typing Self-learning Guide". This books caters to the need of lakhs of Central and State Government Job opportunities through UPSC, Staff Service Commission, Postal Departmental Tests, Banking Recruitment Test, TNPSC, etc. This is an indispensable book to all computer operators to have rich manipulation of computer keyboard of these three languages. This book is First of its kind and a PAN India guide also.