Explanation:

Recently, a 13-year-old schoolgirl from Delhi has been selected among the recipients of the 2020 Diana Award, an honour given on the birth anniversary of Princess Diana (of Wales) to youngsters for humanitarian efforts. 

• She has been chosen for her Recycler App, a web-based mobile application to connect users with waste-handlers.
• The award is given out by a charity established in memory of the deceased Princess of Wales, princess Diana of United Kingdom.
• The award is considered to be the highest accolade a young person can achieve for social action or humanitarian efforts.