1️⃣ Book List:
• ITI Trade Theory Books – NCVT
• Workshop Calculation & Science – NCVT
• Lucent General Knowledge – Dr. Binay Karna
• Quantitative Aptitude – R.S. Aggarwal
• Reasoning Ability – R.S. Aggarwal
2️⃣ Official PDF / Syllabus URL:
• BTSC Official Notification – https://btsc.bihar.gov.in
3️⃣ Best Websites / Tutorials:
• BTSC Official Website – https://btsc.bihar.gov.in
• NIMI (ITI Study Content) – https://nimi.gov.in
• Testbook Preparation – https://testbook.com
• Adda247 Technical Prep – https://adda247.com
4️⃣ YouTube / Video Courses:
• BTSC ITI Instructor 2026 Full Details – https://www.youtube.com/watch?v=7FfsF5mcJvo
• ITI Trade Preparation Full Course – https://www.youtube.com/results?search_query=ITI+trade+theory+full+course
• Workshop Calculation & Science Lectures – https://www.youtube.com/results?search_query=workshop+calculation+science+ITI
