"Dhoni and his school friend Sakshi got engaged at hotel Bhagirath in Dehradun," a close family friend said.
"Besides, the family members of Dhoni, a few close friends of the cricketer were present during the engagement ceremony," he added.
Dhoni, 28, and Rawat had been school friends at DAV, Shamily in Ranchi.
"Their fathers worked together in MECON, and the Rawats moved to Dehradun after retirement," the friend said.
Asked whether any date for marriage has been fixed, he said, "Not yet, maybe after the Australian series."
Spotted: Mahendra Singh Dhoni in Adelaide
Spotted: Mahendra Singh Dhoni at Mumbai airport