New Delhi, April 17 -- The Lok Sabha today witnessed a war of words, with a cryptic number play initiated by Congress leader Rahul Gandhi in which BJP MP Nishikant Dubey later joined.

The Leader of the Opposition in the Lok Sabha earlier in the day claimed that the "low energy" speech by Prime Minister during the first day of the debate in lok Sabha on the Women's Reservation Bill was linked to the number '16' and recognised that the number held the solution to a "puzzle."

"The whole answer to the riddle is in the number 16. Everything is in the number 16," Gandhi said in the lower house of Parliament.

Later outside Parliament, while talking to reporters who inquired about the reference, Rahul Gandhi said, "It is a puzzle, I won't tell...