With Rahul Gandhi in the vanguard, Congress is expected to fall back upon left-of-centre politics focusing on welfare measures after pursuing a policy of economic liberalisation under Manmohan Singh for 10 years.br br Widening the ambit of rights-based legislations to include healthcare and employment will be the crux of Congress manifesto to be released tomorrow by party President Sonia Gandhi in the presence of a galaxy of Congress leaders including Prime Minister Manmohan Singh and Rahul Gandhi.