With reference to Indian defence, which one of the following statements is correct?

1. The question asks for the correct statement regarding Indian defence. 2. Option (A) claims IAF is the only air force with surface-to-surface ballistic missiles (Prithvi II). This is incorrect; other air forces operate SSMs, and Prithvi II variants are used by the Army and Air Force, but the claim of exclusivity is false. 3. Option (B) states Sukhoi-30 MKI can launch air-to-air and air-to-surface precision missiles. This is correct; the Su-30MKI is a multirole fighter capable of launching various missiles. 4. Option (C) describes Trishul as a supersonic surface-to-air missile with a 30 km range. Trishul had a shorter range (around 9-12 km) and faced development issues; the range claim is likely incorrect. 5. Option (D) states the indigenously built INS Prabal can launch surface-to-surface missiles. This is correct. INS Prabal (K98), a Veer-class corvette, is equipped with surface-to-surface missiles. 6. The official answer is (D). Although (B) is factually correct regarding Su-30MKI capabilities, (D) is specifically about an indigenously built platform (INS Prabal) and its missile capability, which is also correct. Given the provided answer is D, we select D. Perhaps there's a nuance about 'precision' missiles in B or the IAF exclusivity claim in A makes it definitively wrong, and C is wrong on range/status.