ITI Plumber : Get Free Exam Preparation For the NCVT ITI Plumber Trade, With Study Materials, (Trade Theory NIMI books and pdf, MCQ) ITI Ncvt Syllabus, Mock Tests, Question Banks, ITI Previous Year Questions and Questions Paper, ITI Topic Wise MCQ, Workshop Calculations & Science, Employability Skill on Online Ncvt portal in Hindi and English.