How to select and evaluate a debt fund?

I am planning to invest in debt fund of mutual funds. Can you tell me some of the key parameters that I should be looking at to evaluate a debt fund?

How exactly can I evaluate the money market mutual funds? Is it like evaluating any other equity or debt fund?

I am 25 years old and have just started working in an MNC. Should I opt for a debt mutual fund or an equity mutual fund?

What are debt funds? Please suggest a good debt fund

Why are the NAVs of some of the debt funds of Templeton funds falling so sharply in the last few days?

What tax I have to pay if I change the Equity Mutual fund to debt funds with the same AMC?

How come debt Mutual funds are performing well even though the market is eaten by Corona?

Why debt mutual funds are better in such a Covid-19 situation?

How big a risk is the lockdown for debt funds? I am holding a large portfolio of debt funds and want to know if I should exit now?

How will the recent RBI decision to cut rates by 75 bps impact my debt fund portfolio? Will I benefit from the rate cut?