Natarajan has isolated himself from the rest of the squad, while six other members of the franchise are also put in isolation.
Players refused to take vaccines before the tournament as they were scared of the aftereffects.
Notably, only on Monday, RP Singh had condoled the demise of his former India teammate Piyush Chawla's father.
There was, reportedly, a breach in COVID-19 protocols during the second phase of IPL 2021 in Delhi and Ahmedabad.
According to ECB director Ashley Giles, no England cricketer with a central contract is likely to be available for phase 2 of IPL 2021.
Sunrisers Hyderabad (SRH) have joined the likes of BCCI and others from the cricket community in lending a helping hand towards coronavirus relief efforts.
KKR batsman Tim Seifert has tested positive for COVID-19 and will not be travelling back to New Zealand on the charter flight with other IPL players.