Yuvraj, who battled a rare germ-cell cancer and underwent chemotherapy in the US, has been out of cricket action for nearly a year.
He has resumed at the National Cricket Academy (NCA).
Yuvraj (@YUVSTRONG12) tweeted on Friday: "Can't explain how I feel ! Feels like I'm going to play for india for the first time!want to thank a lot of people."
He continued: "Specially bcci and selectors for showing their faith in me my friends and family my fans and media ! Its a special day for me"
"When I was diagnosed with cancer I always thought in my heart that one day I will come back and play for india
And I hope the almighty wil give me another chance in life to do so! So here I am ready to represent my country once again its a huge honour."
"And this would not have been possible without the wishes and prayers of the loved ones and dear fans !! I can't wait to step on the field. and wave the indian flag ! Iv worked very hard and will go all out in this month to prepare for the t20 w cup! Jai hind !!."
Yuvraj is also part of the Indian team for two T20Is against New Zealand on September 8 and 11.