Am I investing in best performing mutual funds or not

I am a regular visitor of your answers for the queries posted by individuals like me and learnt a lot from them. Thanks a lot for making me aware for the value of investing. Just now I had a talk with you over telephone from Kolkata. Kindly enlighten me about the following - 1. I have an SIP of Rs 12000.00 pm in Franklin India equity fund growth from Nov 15th 2015 and would like to continue till 2022. Goal Son's Marriage (Q) Should I continue with fund? Will it be good? Or shall I switch to any other good fund of same AMC? 2. I have an SIP of Rs 10000.00 pm in SBI Blue Chip Fund Growth from March 2017 and would like to continue till 2024 - Goal for daughter's Marriage (Q) Should I continue with this or switch? Will it be good? 3. My son has also invested in Aditya Birla Sun Life Equity Fund - Growth as SIP of 20000.00 PM from Feb 2017. Goal not known. I forced him to open since I know the value of compounding. (Q) Should he continue with it? 4. I have an SIP of Rs 2000.00 pm in Franklin India Prima Fund Growth (don't know whether name has been changed recently or not) from April 2009 and would like to continue till 2024. (Q) Again same question Should I continue with this or switch? Will it be good? I want to get an expert opinion from you. Kindly help me?