Step 1: Understanding the question.
The question asks about the launch site of PSLV (Polar Satellite Launch Vehicle) missions conducted by ISRO. Step 2: Analyzing the options. (A) Sriharikota: Correct — PSLV is launched from Satish Dhawan Space Centre located at Sriharikota. (B) Bengaluru: Bengaluru is ISRO’s headquarters but not a launch site. (C) Thiruvananthapuram: It hosts the Vikram Sarabhai Space Centre, mainly for research. (D) Ahmedabad: Ahmedabad houses space application centers, not launch facilities. Step 3: Conclusion.
PSLV is launched from Satish Dhawan Space Centre, Sriharikota.