Step 1: Calculate total face value of debentures issued:
\[30,000 \times ₹ 100 = ₹ 30,00,000\]Step 2: Calculate discount on issue:
\[10% \times 30,00,000 = ₹ 3,00,000\]Step 3: Total loss on issue of debentures:
This comprises the discount on issue and premium on redemption. Total loss = ₹ 4,50,000.Step 4: Calculate premium on redemption:
\[\text{Premium} = \text{Total loss on issue} - \text{Discount on issue} = ₹ 4,50,000 - ₹ 3,00,000 = ₹ 1,50,000\]