If you don't know, pick any index fund to start with. 
 More returns more risk small cap funds 
 Avg returns avg risk large cap funds 
 High returns less risk let me know if you find any

Senior Associate

Risk directly proportional to returns..!!! 
  
 Would suggest for PP flexi cap fund..

Business analyst

Off topic - Planning to invest in mutual funds for the First time which is best MF I can get high returns with less risk,  please suggest

Which Mutual funds are best?