Indian sprinter Hima Das has been ruled out of the World Championships 2019 because of the back injury, Athletics Federation of India (AFI) said on Wednesday.

AFI took to Twitter and composed:  'Unfortunately 400m athlete #HimaDas will not compete at the @iaaforg World Championships 2019 #Doha2019 due to back injury.' AFI determination panel on September 9 had named Das for the competition to be held in Doha from September 27 to October 6.

The expert sprinter won five gold medal awards recently. She won the fifth award at the Nove Mesto Athletics Meet on July 20. She timed planning of 52.09 seconds to finish the 400m race, enrolling her season-best planning.

Hima likewise won gold in 200m in Tabor Athletic Meet.

Hima, known as 'Dhing Express', won three gold medals at various occasions – Klado Athletic Meet, Kunto Athletics Meet, and Poznan Athletics Grand Prix.