(Bloomberg) -- India’s longest growth slump since 2012 is heightening concern that it may be tough for policy makers to reverse the slowdown.

“Growth has now slipped below the long term trend of 6.6% for two consecutive quarters, which implies that India is effectively in a quasi-recession,” Teresa John, an economist at Nirmal Bang Equities Pvt. in Mumbai, said in a report published Tuesday. Early indicators suggest “growth remains elusive,” she added.

While the standard macroeconomic definition of a recession is two consecutive quarters of shrinking GDP, a significant decline in economic activity spread across months is another often-used description. In India, which offers only year-on-year calculations of output, automobile sales have plunged the most in two decades and the chairman of Hindustan Unilever Ltd. warned that the consumer goods his company makes are “recession-resistant, but not recession-proof.”

Official data on Friday showed that gross domestic product in Asia’s No. 3 economy grew 5% in April-June from a year earlier, below the weakest estimate of 39 economists polled by Bloomberg and the slowest pace in six years. The five straight quarters of slowing growth mark the longest slump since 2012.

A Bloomberg gauge of high-frequency indicators suggests that economic activity continued to weaken in July, with investment and consumption both falling.

Economists at Nirmal Bang expect GDP growth to bottom out in the quarter ending September but believe that “a counter-cyclical government spending boost is required.”

To contact the reporter on this story: Ronojoy Mazumdar in Mumbai at rmazumdar7@bloomberg.net

To contact the editors responsible for this story: Arijit Ghosh at aghosh@bloomberg.net, Jeanette Rodrigues, Karthikeyan Sundaram

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