This is the fourth of the six submarines the Indian Navy is to induct under the Kalvari-class submarine Project-75.

Handle cards like you would handle cash.

Stunning photos have revealed incredible secrets of the underwater world, with the winners of the 2018 Underwater Photographer of the Year award announced. German photographer Tobias Friedrich has been named Underwater Photographer of the Year 2018. More than 5,000 images were submitted this year by photographers from around the world. UPY was once again kind enough to share some of this year's honourees with us below, with captions written by the photographers.

Synchronised swimming can be described as 'water ballet', as it consists of dance-like elaborate movements that swimmers make to music.

The 2015 edition of the Sony World Photography Awards, the world's biggest photography competition, has announced the shortlists.

From India's debacle in England to Manchester United's not so good start in the English Premier League to awesome champion Mo Farah spending quiet time with his family, Rediff.com has it all snapped right here...

Rediff.com presents stunning pictures of Synchronized swimming from the 15th FINA World championships held in Barcelona.

A look at the gold medalists on Day 14 of competition at the London Olympics on Friday.

A look at the gold medalists on Day 11 of competition at the London Olympics on Tuesday.

Michael Phelps became only the fourth man to win a record nine Olympic golds when he powered to victory in the 200 meters freestyle swimming on Tuesday. Phelps put on an imperious display to capture his third medal of the Beijing Games, leading from the start to win in a new world record time of 1.42.96, knocking 0.90 seconds off his old record, a huge margin.