Three policymakers aware of the central bank's deliberations on the Budget said they are combing through the numbers to test how Jaitley struck a balance, and question some of the assumptions.
A strong showing will be vital to Narendra Modi's chances of a second term.
Markets hope the Budget will steer spending towards infrastructure.
RBI Governor Raghuram Rajan wanted to improve training for staff, through initiatives such as sending them to other central banks for short stints.
The slowdown is especially pronounced in rural areas, which have suffered two consecutive dry years.
The government plans to inject a total Rs 70,000 crore into the lenders over four years
French companies have invested more than $1 billion per year in India.
Government is expected to rely more on divestment proceeds to keep the fiscal deficit in check
Urjit Patel's reappointment will raise market hopes that Rajan, will also be offered an extension when his tenure ends in September.
The Prime Minister tends to keep such decisions close to his chest.
India is more insulated to Fed-related volatility than other emerging markets due to its better economic fundamentals
GST is intended to create a single market and boost commerce in India's $2 trillion economy
Clouding the inflation outlook is the recommendation of the 7th pay panel for an average 24 per cent pay hike for millions of its employees, which would lift demand-driven price pressures.
Trade ministers from 162 WTO countries will gather in Kenya's capital from Dec. 15-18 to work on an agreement to liberalise global trade.
RBI's tricky strategy to ease market's pre-Fed jitters.
India's overall retail inflation eased to 4.41 per cent in September, helped by falling commodity prices, but rural inflation was at 5.05 per cent
Encouragingly, the recovery also appears to be becoming broad-based
India was less directly affected by the Chinese stock market rout and yuan devaluation that battered currencies and markets in the region.
Although the RBI is not statutorily independent from the government, Rajan, like previous RBI Governors, has long valued his independence.
RBI Governor Raghuram Rajan is expected to express that cautiousness as he looks to manage expectations.