MI were the only franchise to bid for it, as it was purchased at its base price of Rh 20.
The youngster, who made his debut for Mumbai in the Syed Mushtaq Ali Trophy (SMAT) last month, will make his first IPL appearance this season.
Earlier this month, Tendulkar joined his side cricket club MIG during an invited police shield tournament that marked the return of men’s cricket in Mumbai.
He turned down 77 of just 31 deliveries, as well as three crates, to make a brilliant all-round show.
Tendulkar played two matches for Mumbai in SMAT 2020-21.
Here is the full lineup of Mumbai Indians for the upcoming season:
Detained players: Rohit Sharma, Aditya Tare, Anmolpreet Singh, Anukul Roy, Dhawal Kulkarni, Hardik Pandya, Ishan Kishan, Jasprit bumrah, Jayant Yadav, Kieron Pollard, Crowned Panda,, Quinton de Cock, Rahul Chahar, Suryakumar Yadav, Trent Bult, Chris Lin, Saurab Tiwari, Mohsin Khan