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Welcome to Ajai Shanker And Company

Established on the 15th of June, 1985, Ajai Shanker And Company is a distinguished chartered accountant firm operating under a partnership constitution. With Firm Registration Number 002707C and an RBI Unique Code of 334675, we hold the prestigious RBI Grade I designation and are proudly empaneled with the CAG.

What We Are

Ajai Shanker & Company stands as a beacon of excellence in the realm of professional services, specializing in taxation, audit, and outsourcing solutions for businesses worldwide. With a presence across five strategically located offices in North India - Gorakhpur, Lucknow, Kanpur, Prayagraj, and Solan (Himachal Pradesh) - our dedicated teams deliver a comprehensive suite of services tailored to meet the diverse needs of our clients across the nation.

OUR Team

Comprising a dynamic workforce of 50 individuals, our team at ASCO is characterized by a blend of Qualified CAs, Experienced Semi-qualified CAs, Graduates, and Articled Trainees. Equipped with specialized expertise and guided by a commitment to excellence, our professionals are adept at delivering cost-effective, high-quality, and innovative solutions to address the evolving needs of your business.

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IMPORTANT DATES : > Monthly Return by Tax Deductors for December. : 10/01/2026      > Monthly Return by e-commerce operators for December. : 10/01/2026      > "Monthly Return of Outward Supplies for December. " : 11/01/2026      > Monthly Return of Input Service Distributor for December. : 13/01/2026      > Monthly Return by Non-resident taxable person for December. : 13/01/2026      > Quarterly return of Outward Supplies for October-December. (QRMP) : 13/01/2026      > Issue of TDS Certificate u/s 194-IA for TDS deducted on Purchase of Property in November. : 14/01/2026      > Issue of TDS Certificate for tax deducted on rent above 50,000 pm by certain individuals/HUF under Section 194-IB where lease has terminated in November. : 14/01/2026      > Issue of TDS Certificate for tax deducted u/s 194M on certain payments by individual/HUF in November. : 14/01/2026      > Issue of TDS Certificate for tax deducted u/s 194S on Virtual Digital Assets in November. : 14/01/2026      > Statement of Foreign Remittances by Authorized Dealers for December quarter. : 15/01/2026      > Uploading declarations received in Form 15G/15H for December quarter. : 15/01/2026      > Contribution from Jul-Dec. Amount = No of employee as on 31 Dec X Rs 3 : 15/01/2026      > TCS Statements for December quarter. : 15/01/2026      > ESI payment for December. : 15/01/2026      > E-Payment of PF for December. : 15/01/2026      > Details of Deposit of TDS/TCS of December by book entry by an office of the Government. : 15/01/2026      > Payment of tax by Composition taxpayers for December quarter. : 18/01/2026      > Monthly Return by persons outside India providing online information and data base access or retrieval services, for December. Also to be filed by every registered person providing online money gaming from a place outside India to a person in India. : 20/01/2026      > Add/amend particulars (other than GSTIN) in GSTR-1 of Dec. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B. : 20/01/2026      > Summary Return cum Payment of Tax for December by Monthly filers. (other than QRMP). : 20/01/2026      > Add/amend particulars (other than GSTIN) in GSTR-1 of Dec quarter by Quarterly filers in Chhattisgarh, Madhya Pradesh, Gujarat, Maharashtra, Karnataka, Goa, Kerala, Tamil Nadu, Telangana, Andhra Pradesh, the Union territories of Daman and Diu and Dadra and Nagar Haveli, Puducherry, Andaman and Nicobar Islands or Lakshadweep. . It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B. : 22/01/2026      > Summary Return of December quarter by Quarterly filers in Chhattisgarh, Madhya Pradesh, Gujarat, Maharashtra, Karnataka, Goa, Kerala, Tamil Nadu, Telangana, Andhra Pradesh, the Union territories of Daman and Diu and Dadra and Nagar Haveli, Puducherry, Andaman and Nicobar Islands or Lakshadweep. : 22/01/2026      > Add/amend particulars (other than GSTIN) in GSTR-1 of Dec quarter by Quarterly filers in Himachal Pradesh, Punjab, Uttarakhand, Haryana, Rajasthan, Uttar Pradesh, Bihar, Sikkim, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya, Assam, West Bengal, Jharkhand or Odisha, the Union territories of Jammu and Kashmir, Ladakh,Chandigarh or Delhi. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B. : 24/01/2026      > Summary Return of December quarter by Quarterly filers in Himachal Pradesh, Punjab, Uttarakhand, Haryana, Rajasthan, Uttar Pradesh, Bihar, Sikkim, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya, Assam, West Bengal, Jharkhand or Odisha, the Union territories of Jammu and Kashmir, Ladakh,Chandigarh or Delhi. : 24/01/2026      > Return by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them, for December . : 28/01/2026      > Issue of TCS certificate for December quarter by All Collectors : 30/01/2026      > Deposit of TDS u/s 194-IA on payment made for purchase of property in December. : 30/01/2026      > Deposit of TDS u/s 194-IB @ 5% on total payment of Rent more than 50,000 pm by individual or HUF (not liable to tax audit) during FY 24-25, where lease has terminated in December (Else TDS is to be deposited on annual basis by 30 April of next year.) : 30/01/2026      > Deposit of TDS on certain payments made by individual/HUF u/s 194M for December. : 30/01/2026      > Deposit of TDS on transfer of virtual digital asset u/s 194S, by an exchange, for December. : 30/01/2026      > TDS Statements for December quarter. : 30/01/2026      > Quarterly return of non-deduction at source by banks from interest on time deposit for December quarter. : 30/01/2026      > Annual Return by OPCs and Small Companies. : 31/01/2026      > Filing of financial statements by Cos (Other than OPCs) for FY 2024-25 with the ROC. (30 days from AGM.) : 31/01/2026      > Filing a report on Corporate Social Responsibility by every company covered u/s 135 of the Companies Act, 2013. : 31/01/2026     
 
     
   
 

Our Services

Audit & Assurance

Internal Audit Services / Concurrent Audit Services. Management Audit Services. Operations and Efficiency Audit Services...

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Direct Taxation

Tax Audits. Tax Management/ Compliance. Tax Representation & Litigation. Tax Due Diligence. Tax Advisory & Opinions...

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GST

GST Compliance. GST Audit. GST Representation & Litigation. Advance Ruling. Refund GST Advisory & Opinion...

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Corporate Advisory

Corporate Secretarial Services. Corporate Law Consultancy. Due Diligence . Business Plan. Ind AS...

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Other Advisory

IT - Services. Application Review. General Controls Review. General Consulting. Advisory Services to NGO’s...

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