Before yesterday's match Dhoni had a overall strike rate of 170+. But after yesterday's match his strike rate is in 165.
Sunny said, post his retirement from test matches Dhoni is constantly working at the gym during no match days to keep him active and fit when ever the limited over series come along. He has been working out in the gym for a long time now.
And coming back to his strike rate before IPL, Dhoni always take some time before he could launch his big hits after being appointed as captain without throwing his wicket away and started playing matured knocks and not slogging from ball 1 as he did before. But recently while playing for India Dhoni has always been batting lower down and he doesnt get enough chances to get settled and go for the precise hitting at the death overs like he is doing right now in this IPL season.