If the latest figure for expansion of gross domestic product is 4.7 per cent or less, the quarter will have registered the slowest expansion in 26 quarters, since 4.3 per cent in January-March 2013.
Prime Minister Narendra Modi's government has taken several steps, including cutting corporate tax in September, to boost investments and bolster economic growth.
Economists in a Reuters poll predicted the Reserve Bank of India would cut its repo rate for the sixth time in a row, by 25 basis points, to 4.90 per cent at its Dec. 3-5 meeting.
"Agrarian distress and dismal income growth so far, coupled with subdued income growth expectation in urban areas, have weakened consumption demand considerably," said Devindra Pant, chief economist at Fitch arm India Ratings & Research.