Rohit informed Mohit that (a) he had purchased a new DSLR camera. Since Mohit was unaware, he inquired of Rohit (b) the purpose of the purchase. Rohit responded that he intended to capture stunning photographs with his new camera.
Explanation: - Direct speech has been transformed into reported speech. - “I have bought” has been converted to “he had bought,” indicating a change to the past perfect tense. - “What will you do” has been rephrased as “what he would do” in the reported form.