She brought back the title after a gap of 21 years.
This time participants from 63 nations have participated to win the beauty pageant.
Koushal beat Mrs Polynesia to secure the title.
The Instagram page of Mrs India shared an image of the victorious Indian lady.
" The long wait is over, it’s after 21 years we have the CROWN back!" the caption reads.
Dr Aditi Govitrikar last won the title for India in 2001.