I saw your post about your MF portfolio taking a hit. A negative 3 percent for the amount that you have invested is a big hit in rupee terms.
Unfortunately MF investments have to monitored quarterly (atleast) to ensure that you are not entering. I exited all my MF investment in February 2018(all were in profit)
For each fund do the following:
Check the decline in ranking over past two years.
Separate the gainers