Step 1: Recall facts.
The Indira Gandhi Canal, one of the largest canal systems in India, originates from Harike Barrage at the confluence of Beas and Sutlej rivers.
Step 2: Location.
It runs through northwestern Rajasthan, providing irrigation to the arid Thar Desert region.
Step 3: Eliminate wrong options.
(A) Kerala, (B) Maharashtra, (D) Bihar → not the location of this canal.
Step 4: Conclusion.
Correct answer: (C) Rajasthan.