GST Annual return due date extended to 30th June 2019 [Read Order]:
Every registered person, other than an Input Service Distributor, a person paying tax under section 51 or section 52, a casual taxable person and a non-resident taxable person, shall furnish an annual return for every financial year electronically in such form and manner as may be prescribed on or before the thirty-first day of December following the end of such financial year.
Central Government, on recommendations of the Council, extends the Due date of Filing GST Annual Return to 30th June 2018 for the Period July 2017 to March 2018.

REFER BELOW EXTRACT OF OFFICIAL ORDER

[TO BE PUBLISHED IN THE GAZETTE OF INDIA, EXTRAORDINARY, PART II, SECTION 3, SUB-SECTION (ii)]
Government of India
Ministry of Finance
(Department of Revenue)
Central Board of Indirect Taxes and Customs
Order No.03/2018-Central Tax

New Delhi, the 31st December, 2018

S.O.(E).WHEREAS, sub-section (1) of section 44 of the Central Goods and Services Tax Act, 2017 (12 of 2017) (hereafter in this Order referred to as the said Act) provides that every registered person, other than an Input Service Distributor, a person paying tax under section 51 or section 52, a casual taxable person and a non-resident taxable person, shall furnish an annual return for every financial year electronically in such form and manner as may be prescribed on or before the thirty-first day of December following the end of such financial year;
AND WHEREAS, for the purpose of furnishing of the annual return electronically for every financial year as referred to in sub-section (1) of section 44 of the said Act, through the electronic system to be developed is at the advanced stage, it may likely to take some more time for being made operational as a result whereof, the said annual return for the period from the 1st July, 2017 to the 31st March, 2018 could not be furnished by the registered persons, as referred to in the said sub-section (1) and because of that, certain difficulties have arisen in giving effect to the provisions of the said section.
NOW, THEREFORE, in exercise of the powers conferred by section 172 of the Central Goods and Services Tax Act, 2017, the Central Government, on recommendations of the Council, hereby makes the following Order, to remove the difficulties, namely:
1. Short title.This Order may be called the Central Goods and Services Tax (Third Removal of Difficulties) Order, 2018.
2. In section 44 of the Central Goods and Services Tax Act, 2017, in the Explanation, for the figures, letters and word 31st March, 2019, the figures, letters and word 30th June, 2019 shall be substituted.
[F.No.20/06/16/2018-GST]
(Dr. Sreeparvathy S.L.)
Under Secretary to the Government of India.
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