83% times equity investment gave over 10% returns: Is 7 years the best minimum holding period for higher returns?

While most equity investors are aware about the fact that it delivers good return in the long run but very few know as what exactly is this period. Analysis of the rolling returns of NIFTY 50 TRI has given some interesting insights and 7 year period has emerged as the one of the best minimum holding periods where chances of above 10% returns are very high. 15 year has come out as the most rewarding among the different holding periods.