KBC 2021| Which was the first Indus Valley site to be identified in 1921? By Monishka Kapoor - October 19, 2021 KBC 2021, Find out the correct answer of the question- Which was the first Indus Valley site to be identified in 1921? •Harappa •Kali baingan •RakhiGarhi •Mohenjo Daro Correct answer is Harappa