The correct answer is option 3, Vishakhapatnam. An integrated steel plant is a facility that combines multiple processes for the production of steel in one location. Vishakhapatnam was the first short-based integrated steel plant in India. This means that it uses non-coking coal as a reducing agent instead of relying on coke, which is made from coking coal. Short-based integrated steel plants are more energy-efficient and have a smaller carbon footprint compared to conventional integrated steel plants. Vijaynagar, Salem, and Bhadravati are all important steel-producing cities in India, but they do not hold the distinction of being the first short-based integrated steel plant.