The Nikkei Markit India Manufacturing Purchasing Managers' Index (PMI) -- which measures manufacturing sector activity -- fell to 49.6, down from 52.3 in November.
The index slipped below the crucial 50 threshold -- which separates contraction from expansion -- for the first time since December 2015. This also marked the biggest month-on- month decline in the index in over eight years or since November 2008 when the global economy had slipped into a severe downturn post Lehman collapse.
Lima added that "cash flow issues among firms also led to reductions in purchasing activity and employment".
Survey participants widely blamed the withdrawal of high-value rupee notes for the downturn as cash shortage in the economy reportedly resulted in fewer levels of new orders.
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Businesses also highlighted challenging conditions in external markets, with a fall in new businesses from abroad ending a six-month long growth.
Several researchers and economists have lowered their near-term GDP growth forecasts in the wake of the demonetisation move, though there is a broader view that the decision would help the economy grow faster in longer run.
"With the window for exchanging notes having closed at the end of December, January data will be key in showing whether the sector will see a quick rebound," Lima added.