It is Mladenovic's third major doubles title
Bopanna was forced into searching for a new partner after Joao Sousa was unable to travel to Australia on time after testing COVID-19 positive.
Former world number one Serena Williams returns to Grand Slam action for the first time in over 15 months, when she goes up against Czech Kristyna Pliskova in the French Open first round.
Eugenie Bouchard was brutally honest after suffering a first-round defeat by China's Duan Yingying at Wimbledon to end her hopes of repeating last year's run to the final.
2014 Wimbledon finalist Eugenie eliminated in 1st round.
Seven-time grand slam champion Venus Williams advanced to the third round at Melbourne Park on Wednesday with a 6-3, 6-2 win over Stefanie Voegele but conceded she was still troubled by an elbow injury that forced her to pull out of the women's doubles.
Ramkumar Ramanathan, who will be playing singles alongside Prajnesh Gunneswaran, will form the second men's doubles pairing with Sumit Nagal, who arrived only late on Friday night.
"I think she will win a Grand Slam. Which one and when I don't know, but definitely clay is a good surface for her."
A summary of sports events and persons who made news on Saturday
Sharan, on Sunday, shared the news with his Twitter followers.
Big-serving Canadian Milos Raonic made a strong return to competition on Friday by beating Viktor Troicki 6-3, 7-5 to reach the third round of the Miami Open.
India's challenge in mixed doubles at the Wimbledon Championships ended with second round defeats of Divij Sharan and Rohan Bopanna, on Saturday.
India's Divij Sharan and Ankita Raina crashed out of the Australian Open men's and women's doubles events respectively, after suffering straight set defeats in the opening round in Melbourne on Thursday.
Italy's Matteo Berrettini overcame second seed Roberto Bautista Agut 7-6(9), 6-4 to win his first title at the Swiss Open in Gstaad on Sunday.
The Danish World No 3 ended 2017 with the biggest title of her career in Singapore and returned a day after thrashing Madison Brengle in her season opener to hit 21 winners against eight unforced errors in the 53-minute win over Martic.
The 36-year-old Australian Open champion arrived in the Dutch port city at the weekend knowing a run to the semi-finals will move him ahead of Rafael Nadal in the ATP standings.
A summary of sports events and sports persons, who made news on Wednesday
World number one Simona Halep swatted aside American Nicole Gibbs while Maria Sharapova was flawless in her straight sets victory over Romania's Mihaela Buzarnescu in the opening round of the Shenzhen Open on Monday.
Defending champion Donna Vekic, of Croatia, earned a hard-fought win over British wild card Gabriella Taylor 7-5, 5-7, 7-6(3).
Images from the Australian Open matches played at Melbourne Park on Wednesday.
