Praneeth beat Israel's Misha Zilberman in straight games 21-17, 21-14, Sameer had to toil hard to get the better of New Zealand's Abhinav Manota 13-21, 21-17 and 21-12 in the opening round of the BWF World Tour Super 300 event.
After winning three races last year — the first ones since he started in 2013 — Bottas is keen to challenge Hamilton all the way.
Williams' only competitive appearances since the birth came in December at an exhibition in Abu Dhabi, a Fed Cup doubles match with sister Venus last month and an exhibition in New York on Monday.
Williams teams up with Lauren Davis to face Lesley Kerkhove and Demi Schuurs of the Netherlands in Sunday's doubles match.
At the age of 36 years, 173 days, Federer also becomes the second-oldest man to win a Grand Slam title in the Open era after Ken Rosewall, who won the 1972 Australian Open at 37.
Sharing a video of the Swiss tennis icon, Sachin was appeared awestruck by one of his shots during the final.
The fifth-seeded duo of Bopanna and Babos lost 6-2, 4-6, 9-11 to the Croat-Canadian pair of Pavic and Dabrowski, seeded eighth, in a match which lasted one hour and eight minutes.
Wozniacki will also regain the No. 1 ranking next week, six years after she previously held the top spot.
Bopanna and Babos fought back after losing the second set to Demoliner from Brazil and Sanchez from Spain to beat them 7-5, 5-7, 10-6 in a gruelling three-set semifinal.
Federer now advances to face Marin Cilic in Sunday's final for a chance at his 20th Grand Slam title.
Cilic face the winner of the second semifinal on Friday between Federer and Hyeon Chung of South Korea.
Both women had their chances to put the match away in the 68-minute-long third set but it was the World No.1 who prevailed victorious to reach the finals.
Former No. 1-ranked Wozniacki is potentially one win away from a breakthrough Grand Slam title after advancing 6-3, 7-6 (2) over Elise Mertens on Thursday.
The fifth-seeded Indo-Hungarian pair took one hour and 15 minutes to get the better of Cabal-Spears duo 6-4 7-6 (5) in the quarterfinal duel.
The 36-year-old Federer also became the oldest man to reach the semifinals at Melbourne Park since Ken Rosewall did it in 1977 at the age of 42.
Halep, a two-time French Open finalist, is aiming for another shot at a first Grand Slam title after quickly overcoming a slow start to beat sixth-seeded Karolina Pliskova 6-3 6-2 in the quarterfinals.
The No. 58-ranked Chung is the first Korean player to reach the last four of a major, and the lowest-ranked man to reach the Australian Open semifinals since Marat Safin in 2004.
The defending Australian Open champion Angelina Kerber will clash with WTA No.1 Simona Halep in the semifinals which promises to be an absolute treat.
Wozniacki, who can return to the No. 1 ranking with her first Grand Slam singles title, plays Elise Mertens in the semifinals.
The cricketer was enjoying the game with his fiancee Dani Willis, though a mistake on social media made him a victim of trolling.
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