Lalkar is a London-based bi-monthly political magazine. The word "lalkar" means "challenge" in Punjabi and the expression "lal kar" means "red work".
Lalkar was founded in 1967. Formerly the official journal of the Indian Workers' Association, it is now an independent Marxist-Leninist journal edited by Harpal Brar, the founder and former chairman of the Communist Party of Great Britain (Marxist-Leninist).