Compounding is the process where interest earned also starts earning interest.
Future Value (FV)
FV = PV (1+r)^n
Where:
PV = Present value
r = interest rate
n = number of years
Investment = ₹10,000
Interest = 10%
Years = 3
FV = 10000(1.10)^3
FV = 10000 × 1.331 = 13,310
After 3 years → ₹13,310