Explanation:

Balu is a small archeological site attributed to the Indus Valley Civilisation, located some 22 kilometres (14 mi) south of the city of Kaithal in the Indian state of Haryana.Several plant remains were found here include various types of barley, wheat, rice, horsegram, green gram, various types of pea, sesamum, melon, watermelon, grapes, dates, garlic etc. (Saraswat and Pokharia - 2001-2)which is comparable to a nearby IVC site Kunal, Haryana revealed remains of rice (probably wild). The plant remains found here include a garlic specimen, recognised as the earliest evidence of garlic.This is the earliest evidence of garlic cloves in south & south-east Asia, and it dates to the Mature Harappan period.