Ranveer took to Instagram to share a picture of the three of them together.
Sindhu, who bagged a bronze medal at Tokyo Games, is the first Indian woman to win two consecutive medals at the Olympics.
India's performance at the Games was best personified by Neeraj Chopra when he owned the Olympic stadium with his self-assured gait during the javelin throw final.
The 26-year-old world champion won the women's singles bronze at the ongoing Tokyo Olympics, adding to her silver at the Rio Olympics in 2016.
Saina, who failed to qualify for the Tokyo Games after a series of qualifiers were cancelled, has not been too active on social media.
Sindhu became first Indian woman to win medals in successive Olympic Games.
A gold medal at the Tokyo Olympics weighs 556 grams. But it contains only six grams of gold. Silver makes up the remaining 550 grams.
Competing in her third Olympics, Tai Tzu finally stood atop the podium, finishing with a silver medal after going down to Chen Yu Fei of China 18-21, 21-19, 18-21 in the final.
Sindhu needed an extra dose of motivation following her semifinal loss at the Tokyo Games and that came from her father P V Ramana.
Sindhu, who won silver at Rio 2016, joined wrestler Sushil Kumar as the only Indian to have won multiple Olympic medals in individual events.