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when did ministry of corporate affairs issue ind as
The Ministry of Corporate Affairs, in 2015, stipulated the adoption and applicability of IND AS. The MCA has since issued three Amendment Rules, one each in 2016, 2017, and 2018.
what is the abbreviation IND AS
Indian Accounting Standard (abbreviated as Ind-AS) is the Accounting standard adopted by companies in India.
what preceded Ind AS
India followed accounting standards from Indian Generally Acceptable Accounting Principle (IGAAP) prior to adoption of the Ind-AS
are companies required to follow Ind AS
Companies shall follow Ind AS either Voluntarily or Mandatorily.

Question: which companies is it mandatory for
Self-contained rewrite: which companies is it mandatory for following Ind AS standards