Contact Info

  • 65, Block B, Sector 8 Dwarka, Dwarka, New Delhi, Delhi, 110077
  • 98995 50330
  • Week Days: 09.00 to 18.00 Sunday: Closed
Our Expertise

Comprehensive Financial Solutions
for Growing Businesses

From compliance to strategy, we help businesses and individuals stay ahead with tailored accounting, tax and advisory services.

Accounting & Assurance

Reliable accounting and reporting to keep your business financially organized and decision-ready.

  • Bookkeeping & Accounting
  • Financial Statements
  • GST Reconciliation & Returns
  • Audit & Assurance
  • Management Reporting

Tax & Compliance

Timely compliance and smart tax planning to minimize tax liability and stay compliant.

  • Income Tax (Individual & Business)
  • GST & Indirect Tax
  • TDS & Payroll Compliance
  • Tax Planning & Advisory
  • ROC & Regulatory Filings

International Tax

End-to-end support for cross-border transactions and global compliance requirements.

  • Cross-Border Tax Advisory
  • Transfer Pricing Documentation
  • Foreign Tax Compliance
  • DTAA & Expatriate Services
  • FEMA & ODI Advisory

Advisory & CFO Services

Strategic insights and financial expertise to help you grow, optimize and achieve your goals.

  • Business Advisory
  • Budgeting & Forecasting
  • Cash Flow & Financial Modelling
  • Virtual CFO Services
  • Business Valuation & Due Diligence
Experienced CA Professionals

Qualified Chartered Accountants with deep domain expertise.

India-Focused Solutions

In-depth knowledge of Indian laws, regulations and industry practices.

Technology Driven

Digital processes and secure systems for accuracy and efficiency.

Client First Approach

Personalized service, timely support and long-term relationships.

Our Process

A Simple, Transparent Process

Built Around You
01
Book Consultation

Schedule a convenient time to connect with our experts and discuss your needs.

02
Understand Your Business

We learn about your goals, challenges and operations to get a complete picture.

03
Design & Implement Solutions

We create customized strategies covering accounting, compliance, finance and business growth and implement them efficiently.

04
Ongoing Advisory & Support

We continuously monitor, support and provide expert advice to help your business grow with confidence.

INTERNATIONAL TAX

NRI TAXATION

TRANSFER PRICING

GST

DIRECT TAX AUDIT & ASSURANCE ACCOUNTING

BUSINESS ADVISORY STARTUP CONSULTING.

Read Our Latest

News, Due Date Reminder and Location

News

03 Nov 26
GST Collection in October 2026 Rises 22.9% to Rs 2.31 Lakh Crore
SEBI Proposes Removing 12.5% LTCG Tax on Foreign Equity Investments
GSTN Introduces Mandatory 3-Day OTP Verification for GST Registration Amendments
CBIC Invites Public Comments on Amendments to Tax Liability and ITC in GST Returns
Agra GSTAT: Construction Services Supplied to Railways Do Not Automatically Attract the 12% GST
02 Nov 26
GST REG-01 Revised from 1st Nov 2026: Check 9 Major Changes in GST Registration
GSTN Issues TDS Registration Advisory for Scrap and Other Notified Goods
GST Registration Amendment Rules Changed: 3-Day OTP Verification Made Mandatory
GST Refund Rules Amended to Enable Automated Processing & Faster Approvals
01 Nov 26
CBIC Issues GST Rate Clarifications on Toys, Used Cars, Sublimation Paper and Bio-Stimulants
ITAT Ahmedabad Rules Land Sale Gains Taxable as Capital Gains, Allows REIT Income Exemption
CBIC Issues GST Clarifications on R&D and Consultancy Services
31 Oct 26
SC: Income Tax Reassessment Proceedings Invalid Without Mandatory Notice U/S 143(2) of IT Act, 1961
CBDT Notifies New Rules for Merger of Registered Non-Profit Organisations Under Income Tax Rules 2026
30 Oct 26
GST Update 2026: CBIC Issues Clarification on R&D and Consultancy Services
CBIC Expands GST E-Invoicing to RCM Supplies and Import of Services from January 1, 2027
Govt Notifies 5% GST on Pre-Packaged Fertilisers & Retreaded Tractor Tyres from November 1, 2026
CBIC Introduces Automatic GST Registration Cancellation, Substitutes Rule 20
29 Oct 26
CBIC Announces November 1, 2026 as Effective Date for Sections 153 to 155 of Finance Act, 2026
GST Export Refunds: CBIC Clarifies Payment Realisation Rules and Recovery Under Rule 96B
CBIC Issues 7 Key Clarifications on Input Service Distributor (ISD) Under GST
GST Portal e-Invoice Services to Remain Temporarily Unavailable on 31st Oct and 1st Nov 2026
28 Oct 26
GSTAT Lucknow Holds Delayed Stock Entries Alone Can’t Justify Confiscation
CBIC Issues New GST Registration Guidelines to Facilitate Genuine Applicants U/S 168(1) of CGST Act
CBIC Clarifies GST Demand Rules: No Mechanical Fraud Allegations or Unreasoned Orders
CBIC Issues New GST Notifications: RCM, Registration and TDS Changes from 1st Nov 2026
27 Oct 26
Phase II reorganisation of Keralam’s State GST department under way
ITAT Ahmedabad Deletes Penalty for Misreporting of Income Over PF and ESI Disallowance
Gujarat HC: GST Authorities Must Inform Taxpayers About Outstanding Audit Documents Within a Reasonable Time
26 Oct 26
PM Modi`s Rs 12 Lakh Tax Relief Remark Sparks Debate Over Taxpayers` Rights
CBDT Clarifies Tax Treatment of BSNL and MTNL VRS-2019 Compensation Under Section 10(10C)
MCA Extends FY 2025-26 Annual Filing Deadlines: AOC-4 Due by 31st Dec 2026, MGT-7 by 31st Jan 2027
25 Oct 26
ITAT Patna Sets Aside Assessment, Directs Fresh Examination of Property Investment & Section 80C Deduction
Rajasthan Launches Statewide GST Enforcement Drive, Detects Potential Tax Irregularities Worth Rs. 2.85 Cr
24 Oct 26
Bombay HC: Proportionate Rights Shares Not Taxable U/S 56(2)(x) Solely Due to Price Difference
Centre to Seek Public Comments on Revised GST Return Forms from November 1
ITAT Ahmedabad Condones 218-Day Delay, Remands Senior Citizen’s LTCG Case for Fresh Hearing
23 Oct 26
CBIC Appoints Common Adjudicating Authority for 7 Customs Notices Against Amway India
GST Reforms to Begin from 1st Nov 2026: Major Changes from April 2027
Orissa HC Issues Notice on Plea Challenging Constitutional Validity of Section 147A of IT Act
UP Govt Introduces Interest Waiver Scheme-2026, Offers Up to 100% Relief on Eligible Tax Arrears
Orissa HC Issues Notice on Plea Challenging Constitutional Validity of Section 147A of IT Act
22 Oct 26
Thiruvananthapuram GSTAT Allows Cashew Exporter to Recover IGST Paid Twice Due to Clerical Errors in GST Returns
Allahabad HC Quashes GST Registration Cancellation Order for Ignoring Taxpayer’s Contentions & Lack of Reasons
GST Council Proposes Simpler Compliance Amid Heavy Tax Payments and ITC Challenges
GST Council Proposes Removing ITC Blocks to Reduce Business Tax Costs
21 Oct 26
CBDT Notifies Form 173A for Tax Exemption Claims on Govt Securities Under Income Tax Act 2025
CBDT Exempts Maharajah INR Bond Interest from TDS for Tax Year 2026-27 Onwards
GSTN Introduces New E-Invoicing Facility for Recipient-Generated Self-Invoices Under RCM
GSTAT Issues SOP on Security Code Regeneration for Appellants and Respondents
Gujarat HC Sets Aside Rs. 43.43 Cr GST Demand Against Amul Over Common Expenses
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Due Date Reminder

Jan Feb Mar Apr May June
July Aug Sep Oct Nov Dec
All
07 Nov 26 E-filing of details of declarations in Form 127 received in October from buyers for non-deduction of TCS, at the income-tax e-filing portal with TAN login.
07 Nov 26 Payment of TDS/TCS of October. 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 Nov 26 Return of External Commercial Borrowings for October.
10 Nov 26 Monthly Return by e-commerce operators for October.
10 Nov 26 Monthly Return by Tax Deductors for October.
11 Nov 26 Monthly Return of Outward Supplies for October.
13 Nov 26 Optional Upload of B2B invoices, Dr/Cr notes for October under QRMP scheme.
13 Nov 26 Monthly Return by Non-resident taxable person for October.
13 Nov 26 Monthly Return of Input Service Distributor for October.
14 Nov 26 Issue of TDS certificate for TDS deducted u/s 393(1) [Table Sl. No. 2(i), 3(i), 6(ii) & 8(vi)] in Sep, on purchase of property, rent above ?50,000 pm by certain individuals/HUF where the lease has terminated, certain other payments by individual/HUF and o
15 Nov 26 Issue of TDS certificates for Q2 of TY 2026-27.
15 Nov 26 Issue of TCS certificates for Q2 of TY 2026-27.
15 Nov 26 Details of Deposit of TDS/TCS of October by book entry by an office of the Government.
15 Nov 26 E-Payment of PF for October.
15 Nov 26 Payment of ESI for October
20 Nov 26 Add/amend particulars (other than GSTIN) in GSTR-1 of October. It can be filed after filing of GSTR-1 but before filing corresponding GSTR-3B.
20 Nov 26 Summary Return cum Payment of Tax for October by Monthly filers (other than QRMP). Claim input tax credit (ITC) for FY 25-26 in GSTR-3B. Issue Credit notes for FY25-26 . Reversal of ITC of FY 25-26 where supplier had filed GSTR-1/IFF but not filed GSTR-3B
20 Nov 26 Monthly Return by persons outside India providing online information and data base access or retrieval services, for October. Also to be filed by every registered person providing online money gaming from a place outside India to a person in India.
21 Nov 26 Online application by a new manufacturing domestic company (other than one to whom transfer pricing provisions apply), filing the ITR for the first time, for exercise of the option u/s 115BAB (15% tax).
21 Nov 26 Filing of the MAT/AMT Audit Report etc., where the due date of the ITR is 30 November.
21 Nov 26 Furnishing of declaration u/s 80GG in respect of rent paid for residential accommodation, if the assessee is required to submit the ITR by 31 October, extended to 21 Nov.
21 Nov 26 Furnishing of particulars for claiming relief u/s 89, if the assessee is required to submit the ITR by 31 October, extended to 21 Nov.
21 Nov 26 Online application by a domestic company (other than one to whom transfer pricing provisions apply), for exercise of the option u/s 115BAA (22% tax).
21 Nov 26 Online application by a new manufacturing domestic company (other than one to whom transfer pricing provisions apply), filing the ITR for the first time, for exercise of the option u/s 115BAB (15% tax).
21 Nov 26 Online application by an individual/HUF carrying on business or profession, for exercise of the option u/s 115BAC(1), where the due date of the ITR is 31 October, extended to 21 Nov.
21 Nov 26 Online application by a resident co-operative society, for exercise of the option u/s 115BAD(1), where the due date of the ITR is 31 October, extended to 21 Nov.
21 Nov 26 Online application by a resident manufacturing co-operative society, for exercise of the option u/s 115BAE(1), where the due date of the ITR is 31 October, extended to 21 Nov.
21 Nov 26 Filing of income tax returns by companies, partnership firms etc. (audit applicable).
21 Nov 26 Statement of foreign income offered for tax for the previous year, and of foreign tax deducted or paid on such income, if the due date of the ITR is 31 October, extended to 21 Nov. (can be filed till end of assessment year)
25 Nov 26 Deposit of GST under QRMP scheme for October .
28 Nov 26 Return for October by persons with Unique Identification Number (UIN) like embassies etc to get refund under GST for goods and services purchased by them.
29 Nov 26 Annual Return by OPCs and Small Companies.
29 Nov 26 Annual Return by companies other than OPCs and small companies.
29 Nov 26 Half yearly Audit Report from April to September of Reconciliation of Share Capital by Unlisted Public Companies.
30 Nov 26 Online Application for alternative tax regime if due date of ITR is 30 Nov.
30 Nov 26 Filing of Income Tax Return where Transfer Pricing applicable.
30 Nov 26 E-filing of statement by non-resident u/s 285, having liason office in India, for FY 2025-26.
30 Nov 26 Deposit of TDS on payment made u/s 393(1) [Table Sl. No. 2(i), 3(i), 6(ii) & 8(vi)] for payment of rent above Rs.50,000 pm by an individual or HUF (not liable to tax audit) where the lease has terminated, purchase of property, certain other payments made
30 Nov 26 Statutory Auditor to file Annual return with National Financial Reporting Authority (NFRA) in respect of entities covered in Clause 3(1)(a) to 3(1)(e) of NFRA Rules 2018. It will not cover tax audits, Limited review & Quarterly audits.
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Contact

Our address:

65, Block B, Sector 8 Dwarka, Dwarka, New Delhi, Delhi, 110077

+91 98995 50330

info@catssco.com

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