Just did some research and found that speculative business income is not eligible for 44 AD. So, the correct approach is to show speculative business income separately under 65 and not aggregate it under 61
(6)The provisions of this section, notwithstanding anything contained in the foregoing provisions, shall not apply to—
(i) a person carrying on profession as referred to in sub-section (1) of section 44AA;
(ii) a person earning income in the nature of commission or brokerage; or
(iii) a person carrying on any agency business.