With December here and the calendar turning, several new financial and regulatory rules kick in, many of which will affect everyday household expenses and compliance duties. From fuel price revisions to essential tax deadlines, here’s a clear breakdown of what’s changing in December 2025.
What Are the Changes in LPG and Fuel Prices?
Starting today, oil marketing companies have announced updated LPG cylinder and ATF prices. This routine monthly revision is linked to international market trends and currency changes. Your cooking gas bill may go up or down depending on the new rates. The cost of air travel can also be affected by changes in the price of jet fuel.
What is the PAN-Aadhaar Linking Deadline?
A crucial deadline is fast approaching for all taxpayers. Individuals who received their Aadhaar on or before October 1, 2024, must link it with their Permanent Account Number (PAN) by December 31, 2025. The PAN will not function if this deadline is not met. Financial operations, such as bank transactions, real estate acquisitions, and tax return processing, might be seriously hampered by an inoperative PAN. It is highly advised to complete this linking process through the official income tax e-filing portal immediately to avoid any last-minute technical issues.
What are the Income Tax Return (ITR) Deadlines?
For those who missed the original due date, December 31, 2025, is the final day to file a belated Income Tax Return for the Financial Year 2024-25. Filing within this window still attracts a penalty. However, missing this deadline means you will have to file an Updated Return (ITR-U), which comes with a significantly higher penalty and more complex procedures. This makes December the last opportunity to regularize your tax filings for the previous year without excessive costs.
Which Services and Deadlines Have Recently Expired?
Several key cutoffs closed on November 30, 2025. Government staff are no longer allowed to opt into the Unified Pension Scheme (UPS), and seniors who failed to submit their Life Certificate may have their pension payments put on hold until verification is done. SBI has also discontinued its mCASH service and is asking customers to shift to UPI, NEFT, or IMPS for transfers.
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Are There Any Changes to Milk Prices?
Contrary to some speculation, there are no new changes to milk prices effective from December 1. The last significant revision occurred in September 2025, when the GST Council decided to remove the 5% GST levy on UHT milk and pre-packaged paneer. Fresh milk and pasteurised milk continue to remain exempt from GST as before.
