Jadeja smashed a couple of sixes and as many fours in Prasidh Krishna's penultimate over to swing the game CSK's way.
CSK were home and dry with 11 balls to spare.
Both Dhoni and Bravo called for the catch and in the end the wicketkeeper made a mess of a straight forward chance for the latter.
Gaikwad batted through the innings to lift CSK from a precarious 7/3 to 156/6.
Sehwag feels there can't be a better mentor than Dhoni when it comes to young players, who are a bit introvert and need someone to guide them, as they try to express themselves on the field.
The iconic former captain was on Wednesday brought in as mentor of India's 15-member T20 World Cup squad by the BCCI, a move that took everyone by surprise.
"If Ravi Shastri and M S Dhoni can get on the same wavelength, then it's big news for India," said the legendary opener.
Unfortunately, by the time Gill reached Ranchi, Dhoni had left for Chennai to fly to Dubai to take part in the rescheduled IPL 2021.
Defending champions Mumbai Indians also departed for Abu Dhabi earlier in the day.
Dhoni's wife Sakshi has posted a video of the Chennai Super Kings (CSK) skipper racing with a Shetland pony in his Ranchi farmhouse.