Explanation:

National Company Law Appellate Tribunal (NCLAT) was constituted under Section 410 of the Companies Act, 2013 for hearing appeals against the orders of National Company Law Tribunal(s) (NCLT), with effect from 1st June, 2016.
NCLAT is also the Appellate Tribunal for hearing appeals against the orders passed by NCLT(s) under Section 61 of the Insolvency and Bankruptcy Code, 2016 (IBC), with effect from 1st December, 2016. NCLAT is also the Appellate Tribunal for hearing appeals against the orders passed by Insolvency and Bankruptcy Board of India under Section 202 and Section 211 of IBC.
NCLAT is also the Appellate Tribunal to hear and dispose of appeals against any direction issued or decision made or order passed by the Competition Commission of India (CCI)
As per a recent amendment, the Competition Appellate Tribunal (COMPAT) has ceased to exist effective 26 May 2017. The appellate function under the Competition Act, 2002 (Competition Act) would now confer to the National Company Law Appellate Tribunal (NCLAT).
Previously, all appeals against specified orders of the Competition Commission of India (CCI) would lie to the COMPAT whereas the NCLAT dealt with, inter alia, appeals arising out of orders of the National Company Law Tribunal (NCLT) under the CA 2013 as well as the Insolvency and Bankruptcy Board of India (IBBI) under the Insolvency and Bankruptcy Code, 2016.