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IMPORTANT DATES : > "E-filing details of declarations received in August, from buyers for non-deduction of TCS at income tax efiling portal with TAN login. " : 07/09/2026 > Return of External Commercial Borrowings for August. : 07/09/2026 > "Payment of TDS/TCS of August. 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. " : 07/09/2026 > Monthly Return by Tax Deductors for August. : 10/09/2026 > Monthly Return by e-commerce operators for August. : 10/09/2026 > Monthly Return of Outward Supplies for August. : 11/09/2026 > Monthly Return of Input Service Distributor for August. : 13/09/2026 > Optional Upload of B2B invoices, Dr/Cr notes under QRMP scheme for August. : 13/09/2026 > Monthly Return by Non-resident taxable person for August. : 13/09/2026 > Issue of TDS Certificate for TDS deducted u/s 393(1) [Table Sl. No. 2(i), 3(i), 6(ii) & 8(vi)] in July on Purchase of Property, Rent above 50,000 pm by certain individuals/HUF where lease has terminated, certain other payments by individual/HUF & on Virtual Digital Assets. : 14/09/2026 > Deposit of Second Instalment of Advance Tax (45%) by all assessees (other than sec 58(2), Table Sl. No. 1& 3) (44AD & 44ADA cases). : 15/09/2026 > Details of Deposit of TDS/TCS of August by book entry by an office of the Government. : 15/09/2026 > E-Payment of PF for August. : 15/09/2026 > Payment of ESI for August : 15/09/2026 > Regularise pending MCA annual filings under CCFS 2026 Scheme without penalty but at concessional fees. Parallel route for inactive or defunct companies to opt for dormancy or strike-off. : 15/09/2026 > To add/amend particulars (other than GSTIN) in GSTR-1 of Aug. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B. : 20/09/2026 > Summary Return cum Payment of Tax for August by Monthly filers. (other than QRMP). : 20/09/2026 > Monthly Return by persons outside India providing online information and data base access or retrieval services, for August. : 20/09/2026 > Deposit of GST under QRMP scheme for August . : 25/09/2026 > Filing of Financial Statements for FY 2025-26 by OPC Companies. : 27/09/2026 > Submission of Cost Audit Report by Cost Auditor to the Board of Directors for FY 2025-26. : 27/09/2026 > Return for August by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them. : 28/09/2026 > Transfer of unspent CSR amount to the CSR fund by All Companies whose CSR Expenditure is unspent as on 31st March and such amount is not marked for any ongoing project. : 30/09/2026 > Quarter 2 – Board Meeting of All Companies : 30/09/2026 > Annual General Meeting of All Companies. : 30/09/2026 > KYC of All Directors (individuals) who hold DIN on 31st March, 2026. : 30/09/2026 > Annual accounts along with the list of all principal places of business in India established by a foreign company (Branch / Liaison /Project Office) : 30/09/2026 > Deposit of TDS on payment made u/s 393(1) [Table Sl. No. 2(i), 3(i), 6(ii) & 8(vi)] for purchase of property, payment of Rent more than 50,000 pm by individual or HUF (not liable to tax audit) where lease has terminated, certain other payments made by individual/HUF and on Virtual Digital Assets in August. : 30/09/2026 > Filing of Tax Audit Report where due date of ITR is 31 Oct. : 30/09/2026 > Filing of MAT/AMT Audit Report etc. where due date of ITR is 31 Oct. : 30/09/2026 > Filing of Audit Report u/s 80JJAA(2) for additional employment where due date of ITR is 31 Oct. : 30/09/2026 > Filing of other Audit Reports , where due date of ITR is 31 Oct. : 30/09/2026 > Application for exercising option under Explanation to section 11(1) to apply income of previous year in the next year or in future, if ITR due date is Nov 30.? : 30/09/2026 > Filing of Statement to accumulate income for future application u/s 10(21) or 11(1), if ITR due date is Nov 30.? : 30/09/2026 > Filing of Audit report by a fund or trust or institution or any university or other educational institution or any hospital or other medical institution? : 30/09/2026 > Payment of membership fee for 2025-26 by ICAI Members. : 30/09/2026

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