"Good economics are becoming good politics which is a welcome change the country has witnessed in recent past," Subramanian told the Economic Survey Outreach Session here.
Good governance was being rewarded by people by re-electing chief ministers, he said.
"It has been noticed that all the chief ministers elected for more than three times have the credit of achieving agriculture growth of more than 7 per cent annually," he said.
Hailing economic growth in Bihar in the past 7-8 years, he said "Bihar is amongst the few states in India that can leap-frog in terms of development."
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Describing recommendations of the 14th Finance Commission for 10 per cent increase in tax devoluation to the states as "big idea" of Narendra Modi government, Subramanian said Bihar was bound to benefit from the recommendations about the devolution of fund from the divisible pool of taxes.
He urged Bihar Finance Minister Bijendra Prasad Yadav, who was present on the occasion, to look into the prospect of pruning allocation by taking a leaf from the practices the Centre had recently adopted.
Before Bihar, the central government had conducted 'Outreach Sessions' in a few other states, said an union finance ministry official Rabi Ranjan.
Opening the session, Shaibal Gupta, Member-secretary, ADRI (Asian Development Research Institute), said "this initiative of Subramanian will help us, amongst other things, in fine-tuning the preparation of annual Bihar Economic Survey that the Centre for Economic Policy and Public Finance (CEPPF) has been preparing for the last nine years.