1️⃣ Book List with Title & Author:
2️⃣ Official PDF / Syllabus URL:
BTSC Laboratory Assistant Recruitment 2026 Notification PDF – https://btsc.bihar.gov.in
3️⃣ Best Websites / Tutorials:
– IndiaBix Practice Portal – https://www.indiabix.com
– Adda247 Exam Prep – https://www.adda247.com
– Testbook Exam Prep – https://www.testbook.com
– Gradeup (BYJU’S Exam Prep) – https://byjusexamprep.com
4️⃣ YouTube / Video Course URLs:
– General GK + Reasoning Preparation – https://www.youtube.com/watch?v=cARZO6Rd‑gk
– Aptitude & Math Basics – https://www.youtube.com/watch?v=22mvB0j_0Kc
– Technical Basics (Engineering) – https://www.youtube.com/results?search_query=lab+assistant+engineering+subjects