Which pair won the Knoxville Challenger title held at Tennesse in 2017?

Name the football player appointed as Ombudsman by AIFF

How many National Championships have been won by Saina Nehwal till November 2017?

Which shuttle player won the 2nd rank in badminton in 2017 according to BWF rankings?

Which swiss woman tennis player has decided to retire from Tennis?

Name the Indian bowler who topped the ICC T20 rankings 2017