Metallurgical engineers in India control the transformation of ore and scrap into finished metal products — from blast furnace and BOF/EAF steelmaking at Tata Steel (Jamshedpur, Kalinganagar), JSW Steel (Vijayanagar, Dolvi), SAIL (Bhilai, Bokaro, Durgapur, Rourkela), Jindal Steel and Power (Angul, Raigarh), and RINL (Vizag) to aluminium smelting and rolling at Hindalco (Renukoot, Hirakud, Aditya Smelter), Vedanta Aluminium (BALCO, Jharsuguda), and NALCO (Angul). The role spans two tracks: process metallurgy — controlling blast furnace burden, hot metal chemistry, BOF/EAF charging and blowing, secondary metallurgy (LF, RH/VD degassing, CAS-OB), continuous casting (CC) superheat, and rolling-mill pass schedules — and product metallurgy — specifying heat treatment cycles, characterising microstructure by optical and electron microscopy, running mechanical testing per IS 2062 / IS 1786 / ASTM A36 / A572 / API 5L, and leading failure analysis on in-service components. Battery-cell metallurgy is an emerging lane at Ola Electric (Pune), Reliance New Energy (Gujarat), and Amara Raja's cell R&D.