The correct answer is: A. PRSQ
The sentence is about the department’s initiatives to mobilize investment for the development of wastelands. The first step is to evolve appropriate schemes. The second step is to mobilize investment from the corporate sector and financial institutions. The third step is to develop wastelands.
Option A, PRSQ, is the only option that follows this sequence. Option B, QPSR, has the second step before the first step. Option C, QSPR, has the third step before the second step. Option D, RPSQ, has the third step before the first step and the second step before the third step.