A handbook on Office Waste Disposal (Malayalam) - Prepared by Sri.C.S.Santhosh, Audit Officer (Rtd), Kerala State Audit Department.

A handbook on Accredited Agencies and Public Works (Malayalam) - Prepared by Sri.C.S.Santhosh, Audit Officer (Rtd), Kerala State Audit Department.

A Handbook on Income Tax TDS and TCS (2nd Version) - Prepared by Sri.C.S.Santhosh, Audit Officer (Rtd), Kerala State Audit Department

A hand book on important orders ans circulars on General Transfer of State Government Employees (up to 31/12/2014) issued by Personnel and Administrative Reforms Department, Govt. of Kerala.

A handbook published by PRO on Services and Procedures offered vide Right to Service Act 2012