Correct answer: (c) I, II, III and IV are correct
Explanation
- A
I, II and III are correct
I–III are functions of the public sector in planning literature, but IV (egalitarian goals) is also a stated rationale. Omitting IV is incomplete.
- B
II, III and IV are correct
II–IV are valid, but providing public utilities (I) is a classic public-sector role. Omitting I is wrong.
- C
I, II, III and IV are correct
All four are standard functions of India’s public sector in mixed-economy teaching: public utilities, social/economic overhead capital, balanced regional and sectoral development, and egalitarian/redistributive goals. That is why (c) is the official key.
- D
I, III and IV are correct
Dropping II (overhead capital) leaves out infrastructure-building SOEs, so this code is incomplete.
Summary. Official key is (c). Public sector roles include utilities, overhead capital, balanced development and egalitarian goals. I–IV are all correct.