TNPSC General Science Study Materials PDF: General Science Study Materials/Notes for TNPSC  are very important to get 10 to 15 Marks in TNPSC Group 2, 2A, and CCSE 4. The Samacheer Books are only the best books for TNPSC preparation. Read important material with consolidated notes for  6th, 7th, 8th, 9th, 10th, 11th, and 12th subject-wise General Science (Physics, Chemistry, and Biology...