Ministers must submit the key points of the autumn statement to the Office for Budget Responsibility (OBR) by Monday morning.
Tory MPs have already protested against previous suggestions of breaking the triple lock, which would raise pensions in line with inflation, and linking benefits to wages rather than inflation.
Early drafts of the statement contain plans for up to £35bn of spending cuts and up to £25bn of tax rises, which are likely to include freezing income tax thresholds and targeting dividend tax relief.
Read more at The Guardian