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New Delhi, India – October 2025: The Central Board of Indirect Taxes and Customs (CBIC) has officially extended the GSTR-3B filing deadline to October 25, 2025, delivering much-needed relief to GST taxpayers across India. This policy update—documented in Notification No. 17/2025 – Central Tax—benefits both monthly and quarterly filers in metropolitan regions and cities like Mumbai, Delhi, Bangalore, Kolkata, Chennai, Hyderabad, Ahmedabad, Pune, Lucknow, Surat, Jaipur, Indore, Chandigarh, and Patna, as well as tier-2 and tier-3 centers nationwide.​ Key Details of the GSTR-3B Extension For September 2025 (monthly) and Q2 (July–September 2025 for quarterly filers), the new deadline applies uniformly to registered taxpayers in every Indian state, including Maharashtra, Tamil Nadu, Gujarat, Uttar Pradesh, Karnataka, Kerala, West Bengal, Punjab, Rajasthan, Assam, Goa, Odisha, and beyond. This extension is designed to address technical issues, festival-induced filing delays, and business-r