How does DIRECT MF's earn more? Net difference between purchased NAV and sold NAV will be constant in both REGULAR & DIRECT funds?

[Srinivas]

And another fruitful insight in the link below:

Benefit in coin zerodha? If I get more units investing in regular MF, why should I invest direct?

Dear Sir, I am new to zerodha…i have analysed ABSL infrastructure fund(G) for last 19 Month. Comparison between Direct NAV and Regular NAV along with Unit Purchased. i found that regular fund giving more units than Direct then what is the benefit…end of the year regular giving more amount than direct purchase. I have also raised query to support…request you to clarify.