The following mantra from the Rigveda, possibly included around c. 1000 BCE, holds significance in Hindu weddings, as it is traditionally chanted by the priest during the marriage ritual:

"I release her from her paternal home but not from her new abode. I firmly bind her to her husband's home, so that by the benevolence of Indra, she may be blessed with noble sons and cherish the love of her husband.

Indra, a prominent deity symbolizing valour, warfare, and rain, is invoked in this mantra. The terms 'here' and 'there' refer to the bride's father's home and her husband's home, respectively."

What is the probable timeframe when this mantra was inserted into the Rigveda?

c. 1000 BCE

The correct answer is Option 2 - c. 1000 BCE

Per passage:

The following mantra from the Rigveda, possibly included around c. 1000 BCE, holds significance in Hindu weddings, as it is traditionally chanted by the priest during the marriage ritual:

"I release her from her paternal home but not from her new abode. I firmly bind her to her husband's home, so that by the benevolence of Indra, she may be blessed with noble sons and cherish the love of her husband."