The poll of over 30 economists, taken in the past week, showed Asia's third largest economy will expand 7.8 percent in the fiscal year ending March 2017.
The Sensex will then rally further and end 2016 at 28,000, according to the median forecast of 50 analysts polled in the past week.
Whereas the headline growth rate appears very respectable, India needs faster to growth to generate jobs.
October infrastructure output, which contributes nearly 38 per cent to the industrial output index, was up 3.2 per cent annually.
Services growth at 5-month low in Nov as confidence slumps.
The Reserve Bank of India is expected to keep policy unchanged this week as it looks to control inflation.
India's services industry expanded at its fastest pace in eight months in October as new business rose with discounting probably stoking demand, a survey showed on Wednesday.
Twelve of the 21 economists polled doubted whether the government could roll out the tax before the next fiscal year begins in April.
Monetary policy easing in India puts it out of step with the United States, the world's largest economy, where interest rates are expected to rise later this year
Sensex to hit record high in 2015, but analysts cut forecast
Manufacturing growth in India lost momentum in February.
The RBI has targeted 6 percent inflation by January 2016
Production at factories, mines and utilities likely rose an annual 2.4 per cent in August, up from July's 0.5 per cent rise, according to the survey of 26 economists.