Dasha Hara is a Sanskrit word which means removal of ten bad qualities within you
Kama vasana (Lust)
Krodha (Anger)
Moha (Attachment)
Lobha (Greed)
Mada (Over Pride)
Matsara (Jealousy)
Swartha (Selfishness)
Anyaaya (Injustice)
Amanavta (Cruelty)
Ahankara (Ego)
It's also known as 'Vijaydashami' which means Vijaya over these ten bad qualities.
Happy Dussehara to you & your fmly.
Shenoy fmly.