(a) Operating Surplus
= Rent and interest + Corporation tax + Dividend + Undistributed profits
= 800 + 460 + 940 + 300 = ₹ 2,500 Crores
(b) Domestic Income
= Operating surplus + Compensation of employees + Mixed income
= 2,500 + 2,000 + 200 = ₹ 4,700 Crores.