Do you need 2 decks of cards for rummy?

Do you need 2 decks of cards for rummy? Rummy is a card game that is played with two decks of cards with total of two Jokers. To win the rummy game a player must make a valid declaration by picking and discarding cards from the two piles given.

Rummy is a card game that is played with two decks of cards with total of two Jokers. To win the rummy game a player must make a valid declaration by picking and discarding cards from the two piles given.