Paper 1
Paper 1 - Key Answer - By NRIAS Academy
Paper 1 - Key Answer - By Arivukadal
Paper 1 - Key Answer - By Puthiya Vidiyal
Paper 1 - Key Answer - By Success
Paper 1 - Key Answer - By Vidiyal, Vellore
Paper 1 - Key Answer - By TheniIAS Academy
Paper 2
Paper 2 - Key Answer - By NRIAS Academy
Paper 2 - Key Answer - By Arivukadal
Paper 2 - Key Answer - By Puthiya Vidiyal
Paper 2 - Key Answer - By Success
Paper 2 - Key Answer - By Vidiyal, Vellore
Paper 2 - Key Answer - By TheniIAS Academy
Paper 2 - Maths Solution - By Success
SOURCE : http://www.trbtnpsc.blogspot.in/