Millwrights in India install, align, commission, maintain, and overhaul the precision rotating machinery that keeps heavy industry running — conveyors, gearboxes, rolling mills, kilns, hydraulic presses, crushers, pumps, and compressors. The career entry point is typically an ITI Fitter trade (2 years, NCVT) or Mechanic Machine Tools & Maintenance trade followed by an apprenticeship under the Apprentices Act at a heavy industrial plant. Primary employers include integrated steel plants (Tata Steel Jamshedpur, JSW Vijayanagar, SAIL Bokaro, RINL Vizag), cement plants (ACC Wadi, UltraTech Reddipalayam, Ambuja), aluminium smelters (Vedanta Lanjigarh, Hindalco Renukoot), and paper mills (ITC Bhadrachalam, JK Paper). Core technical disciplines are shaft alignment using laser instruments, vibration analysis, hydraulic systems overhaul, planned preventive maintenance (PPM), and Total Productive Maintenance (TPM). Senior millwrights at Tata Steel and JSW coordinate plant reliability using RCM (Reliability-Centred Maintenance) methodology and ISO 55000 asset management frameworks.