Total applications = 3,00,000 shares
Shares issued = 1,00,000 shares
Oversubscription = 2,00,000 shares
Amount per share = ₹ 10 + ₹ 1 (premium) = ₹ 11
Total excess = 2,00,000 × ₹ 11 = ₹ 22,00,000
But since allotment is on pro-rata, the excess of 2/3 applications are retained for allotment. So refund = 1/3 of ₹ 33,00,000 = ₹ 11,00,000
Final Answer: ₹ 11,00,000