Suggest some no brainer MF investment tips

Any index fund. Simply no brainer.

Put it in direct MF and not regular ones.

Since you said parking and no brainer, go for any liquid fund. To advise any equity scheme, I would require you to do more thinking and give context and goals.

Parag Parikh Flexi Cap fund - You don’t need to think about value, growth, momentum.

Any parking should be done only in Debt funds.