Planning To Switch Funds( Small Cap To Index Fund),Need Some Advice

I am planning to switch my mf invested amount from HDFC small cap fund direct growth to uti Nifty 200 momentum 30 index fund direct growth

In HDFC Small Cap I have (17%) return for nearly 2 years and feels like I should take out the invested funds and start sip in index fund before election results are out .

What all possibilities should I think before taking action