"It was a good training session with hard work and tempo. I will see if he can participate in the squad for the game," Puel told his weekly news conference ahead of the United match.
Tielemans, a midfielder who represented Belgium at the World Cup in Russia, is one of the most exciting young talents in Europe and has scored five times in 20 Ligue 1 appearances for Monaco this season.
"I think Youri can give us a possibility to play with two or three midfielders," Puel added. "It will be good for the squad. I know him before he started with Anderlecht. He was a young player but he gave his best in different situations.
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"He scored a lot of goals as a midfielder. I hope he can give us this opportunity to bring something different in some games. He's a young player with a lot of maturity.
"He's an intelligent player and it will be interesting for us and for him."
Leicester, who held league leaders Liverpool to a 1-1 draw at Anfield on Wednesday, are 11th in the table. Manchester United are sixth.
(Reporting by Simon Jennings in Bengaluru; Editing by Hugh Lawson)
