The 23-year old from Maharashtra had tested positive for COVID-19 and was in quarantine for two weeks. He missed CSK's tournament opener against defending champions Mumbai Indians on Saturday.
"The first thing you wanna see on a Monday morning. Look who's back! Smiling face with heart-shaped eyes #Ruturaj #WhistlePodu #Yellove," CSK posted on their Twitter handle on Monday along with a picture of the batsman.
Thirteen members of the CSK contingent tested positive for the dreaded virus and two of them were players - Gaikwad and Deepak Chahar. Chahar, along with 11 others, had recovered and was back in training and played the opening game after clearing his mandatory two tests.
— Chennai Super Kings (@ChennaiIPL) September 21, 2020
However, Gaikwad, who was in isolation at a separate quarantine facility in Dubai, had to wait longer.
Gaikwad, an India 'A' regular, who tested positive a few days after Chahar, was being touted as the one to replace Suresh Raina, who pulled out of the IPL due to personal reasons.
The young right-handed batsman is said to have impressed the CSK skipper Mahendra Singh Dhoni during the camp in Chennai prior to their departure to the UAE.
According to IPL's medical protocols, players are kept in a separate quarantine facility for 14 days if they test positive in the bubble and have to return two negative tests on consecutive days.
After that, the player has to undergo medical tests, including cardiovascular and lung function tests, to ensure he is fit to train.
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CSK vs MI, IPL 2021 Live Cricket Score Updates: CSK win the match by 20 runs. Three singles and two wickets in the final over for Bravo. CSK got off to a bad start with the bat but then Ruturaj Gaikwad played a blinder to give his team a chance. Chasing 157, Mumbai kept losing wickets at regular intervals of time and fell short at the end. A typical CSK bowling performance led superbly by their talisman MS Dhoni.
RCB skipper Virat Kohli (53) and young Devdutt Padikkal (70) struck brisk half-centuries in an impressive 111-run stand but CSK pulled the strings to restrict them to 156 for six after electing to bowl.
While RCB will look to start afresh, CSK got a confidence-boosting 20-run win against defending champions Mumbai Indians on Sunday night.