In terms of Section 10(3), the option availed for paying tax under composition scheme shall lapse with effect from the day on which his aggregate turnover during a financial year exceeds the limit specified i.e. seventy-five lakh rupees. However, the threshold limit for special category states have been kept at ` 50 lakh rupees except Uttarakhand.
(FAQ ICAI PUBLICATION 06-09-2017 COMPOSITION LEVY: FAQ NO. 60)