Whether I Need To Pay Tax On Actual Profit Or Presumptive Profit

As Per Section 44AD And 44ADA, Assesse has to Declare Profit of 8% or 50%.

but what if Actual Profit is More.

Do I Need To Pay Tax on Actual Profit

for Example:

Business -

Turnover is 50 Lakh
Actual Profit is 30 Lakh
Profit 44AD is 4 Lakh

What Is My Taxable Profit ?