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IMPORTANT DATES : > Payment of TDS/TCS of January. In case of government offices where TDS/TCS is paid by book entry, same shall be paid on the same day on which tax is deducted or collected. : 07/02/2026 > Seller to upload declarations received in January, from buyers for non-deduction of TCS. : 07/02/2026 > Return of External Commercial Borrowings for January. : 07/02/2026 > Monthly Return by Tax Deductors for January. : 10/02/2026 > Monthly Return by e-commerce operators for January. : 10/02/2026 > Monthly Return of Outward Supplies for January. : 11/02/2026 > Optional Upload of B2B invoices, Dr/Cr notes for January under QRMP scheme. : 13/02/2026 > Monthly Return by Non-resident taxable person for January. : 13/02/2026 > Monthly Return of Input Service Distributor for January. : 13/02/2026 > Issue of TDS Certificate u/s 194-IA for TDS deducted on Purchase of Property in December. : 14/02/2026 > 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 December. : 14/02/2026 > Issue of TDS Certificate for tax deducted u/s 194M on certain payments by individual/HUF in December. : 14/02/2026 > Issue of TDS Certificate for tax deducted u/s 194S on Virtual Digital Assets in December. : 14/02/2026 > Issue of TDS certificates other than salary for Q3 of FY 2025-26. : 15/02/2026 > ESI payment for January. : 15/02/2026 > E-Payment of PF for January. : 15/02/2026 > Details of Deposit of TDS/TCS of January by book entry by an office of the Government. : 15/02/2026 > Online application for CAG Empanelment of CA firms/LLPs for FY 2025-26. : 17/02/2026 > Monthly Return by persons outside India providing online information and data base access or retrieval services, for January. Also to be filed by every registered person providing online money gaming from a place outside India to a person in India. : 20/02/2026 > Add/amend particulars (other than GSTIN) in GSTR-1 of Jan. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B. : 20/02/2026 > Summary Return cum Payment of Tax for January by Monthly filers. (other than QRMP). : 20/02/2026 > Deposit of GST of January under QRMP scheme. : 25/02/2026 > Return by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them, for January . : 28/02/2026 > Submit hard copy of acknowledgement and supporting documents for CAG Empanelment of CA firms/LLPs for FY 2025-26, after online application. : 28/02/2026

What We Do

Services

Startup 360

Launching a new business is exciting—but also overwhelming with multiple registrations and compliance needs.

Compliance Guru

Compliance deadlines don't wait—and missing them leads to penalties, interest, or notices.

A2A

Running a business requires more than just accounting—it needs financial leadership

Finova

As businesses grow, manual processes often lead to errors, delays, and compliance gaps.

About Us

Welcome to Acharya Business Consulting (ABiz) - Your Trusted Business Partner
At ABiz, we firmly believe in the symbiotic growth of our clients and our firm. We understand that when clients can focus on their business, unhindered by the complexities of ever-changing compliance landscapes, both they and our firm prosper. Our key principle is to deliver services promptly and accurately, ensuring our clients' peace of mind.

What's New

Our editors select a small number of the most important updates..
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Event Calendar

E-invoice to become Mandatory if turnover exceeds Rs.10..
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Career

We nurture and cultivate a sense pride in the work and create..
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Our

Team

B.S. Aparna

B.S. Aparna, a Chartered Accountant (FCA) and FMVA® certified professional, has over 14 years of experience in finance, accounting, compliance, and advisory. Her career has spanned diverse responsibilities including

B. Subbarao

Retired Chief Manager from Indian Overseas Bank with 38+ years of expertise in banking operations, financial management, risk assessment, and customer relationship management. Detail-oriented, analytical leader known for excellent problem-solving skills and strong teamwork.

R Premasudha

Retired Income Tax Officer with 38 years of expertise in tax laws, assessment, compliance, and planning. Meticulous and thorough professional known for exceptional organizational abilities and financial analysis skills.

Sreenivas Rao

Retired SBI Bank Officer with 38 years of expertise in investment strategies, stock trading, and financial planning. Proactive and result-driven professional with a strong focus on retail banking and exceptional customer service.

Knowledge Bank

Calculators

I found Aparna to be very professional, knowledgeable and always quick to respond! From audit to streamlining business processes she's always taken away the stress for management meeting deadlines and being compliant. Highly recommend her to any organisation!

Jasmine C.
Director, Book Review
June 2024

Aparna is a fast learner and provide solution in complex situations. She is a people person and develops professional relationship with everyone. She has not only the capability to execute but also build capacity of her team members through imparting training. Functional expertise with integrative thinking makes her a class apart.

Aparna advices me on tax and compliances. She is a knowledgeable Chartered Accountant and compliance's advisor. She provided bespoke consulting to setup my company and always been helpful whenever we need advice.

John Christopher J
Chief Executive @ Kings Cornerstone International College | Transnational Education Expertise
June 28, 2020, John Christopher was Aparna's client

Aparna has been a valuable asset to my business. She is very responsive to all my business needs. Her advice on various accounting and audit matters have helped me to complete all my financial and regulatory obligations. She understands business requirements very well and her forte is timeliness and flexibility.

We from Veenavaadhini and J3 would highly recommend her for her professional services. God Speed!

JT Jeyaraaj Krishnan
Co-Founder at J3 BankingLab
March 5, 2024, JT Jeyaraaj was Aparna's client

33, Marvel Review View County Marriamman Koil Street Manapakkam Chennai-600116
+91- 9884110598
aparna@bsaa.in