1️⃣ Book list with title and author (Apprentice exam / trade basics)
📘 Electrician Trade Theory — NCVT Curriculum Guide
📘 Industrial Electrical Technology — R.K. Rajput
📘 Basic Mechanical Engineering — S.C. Sharma
📘 Engineering Chemistry — O.P. Agarwal
2️⃣ Official PDF or syllabus URL
🔗 (Official notification PDF available via IOCL careers/apprenticeship notifications page on https://iocl.com)
3️⃣ Best websites / tutorial links
🔗 National Apprenticeship Promotion Scheme (NAPS): https://www.apprenticeshipindia.gov.in
🔗 NCVT/SCVT trade resources: https://ncvtmis.gov.in
🔗 NPTEL Engineering Basics Courses: https://nptel.ac.in
4️⃣ YouTube or video course URLs
🔗 IOCL Apprentice Recruitment overview: https://www.youtube.com/watch?v=zl-oYBTnsI8
🔗 Electrical & Mechanical Basics tutorials: https://www.youtube.com/watch?v=Y7p-Q3aBDoc
🔗 Diploma / ITI trade prep videos: https://www.youtube.com/watch?v=3duCOvaAF7k