Given:
Step 1: Amount after 1st year
Interest for 1 year:
2500×1008=200
Amount after 1 year:
2500+200=2700
After withdrawing ₹1000:
2700−1000=1700
Step 2: Interest on remaining amount for next 3 years
SI=1001700×8×3=408
Step 3: Final balance after 4 years
1700+408=2108
Balance after 4 years = ₹2108