A number of consumer groups have warned the DWP a "too broad" review of the 2012 reforms would compromise the "hard-won consensus" on auto-enrolment.
A fall in mining shares on the back of drops in metal prices led the FTSE down 0.8% to 5,202.85 points in early trading.
One of the opening comments in George Osborne's Budget speech was that he was "not going to hide hard choices from the British people or bury them in the small print of the Budget documents".
The coalition Government is rolling out an annual family financial health check as part of its new national financial advice service.
Sterling has strengthened against the US dollar and euro on the back of today's emergency Budget, while gilts have also bounced.
Entrepreneur's relief was extended in today's emergency Budget as George Osborne set out plans to kick-start the economy by rejuvenating the private sector.
Economists are broadly positive on measures announced in the emergency Budget and are scrambling to revise their own growth forecasts in light of the austerity measures.
The Government could rescue the tax General Anti-Avoidance Rule (GAAR), which was dismissed by Labour as "unworkable".
Here are all the key facts from yesterday's "tough but fair" Budget.
The UK's planned gilt sales in 2010/11 have been revised down by £20.2bn to £165bn due to the Government's debt reduction programme outlined in the Budget.