Former Chief Economic Advisor Arvind Virmani has said the incremental reforms by the Modi government in the last two years are beginning to have an effect on the economy. Talking to a news agency, Mr Virmani, who served as India's representative to the International Monetary Fund, said, continuation of the reforms is a must to sustain India's growth at full potential of about 8.5 per cent.He expected growth to spread to agri-rural and corporate sectors for the overall growth to accelerate by about 0.5 per cent in 2016-17 above that of 2015-16.