In an interview to PTI, he said the Goods and Services Tax (GST), which amalgamates more than a dozen central and state levies like excise duty, service tax and VAT, will take about a year to stabilise.
Nearly four months since its introduction, the new indirect tax threw up teething troubles and compliance issues, which the GST Council -- the highest decision-making body of the new regime -- has addressed through several rounds of changes.
"There is a complete overhauling that is required... it is possible that some items in the same chapter are divided. There is a need for harmonisation of items chapter wise and wherever we find there is a big burden on small and medium businesses and on common man, if we bring them down, there will be a better compliance," Adhia said.
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The GST Council has already cleared an approach paper for items to be considered for rationalisation but it is not binding and the council can always make deviation from the approach paper.
Adhia said the committee will bring its suggestions to the Council as early as possible.
The 23rd meeting of the GST Council, chaired by Union Finance Minister Arun Jaitley and comprising of representatives of all states, will be held in Guwahati on November 10.
The GST Council has reworked various provisions of the new indirect tax regime which was introduced from July 1 so as to make it more industry friendly.
The turnover threshold for composition scheme, under which businesses can pay taxes at a nominal rate, has been hiked to Rs 1 crore, from Rs 75 lakh earlier.
When asked how much time will it take to stabilise the GST system, Adhia said: "It will take one year. Because it is a new system for everybody... There has been a complete overhauling of tax system in GST so one year is needed".
"If you see the experience of VAT, there was opposition for one year. People were on streets because nobody knew what VAT is, the last fellow was only paying sales tax. It was more opposition that time than this," he said.
The GST has subsumed over a dozen taxes and transformed India into a single market for seamless movement of goods and services.
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