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Enhancing the Tax Filing Experience for TaxBuddy with a Conversational AI Chatbot

The Story

TaxBuddy was processing a large volume of ITR filing requests, but the existing solution automated less than 10% of the process, creating significant dependency on Operations teams and tax consultants across onboarding, document collection, data validation, and filing.

InnovationM helped address this challenge through AI services, by developing a conversational AI chatbot using OpenAI's GPT-4 to guide TaxBuddy users through the complete ITR filing journey. The solution combined conversational AI, retrieval-augmented generation, document processing, function calling, and enterprise API integrations to automate routine filing activities while routing complex cases to tax experts.

The Challenge

TaxBuddy was processing a large volume of ITR filing requests, but the existing solution automated less than 10% of the process, creating significant dependency on Operations teams and tax consultants. The existing approach made it difficult to:

  • Automate ITR filing requests across ITR 1 and ITR 2 categories.
  • Reduce manual intervention throughout the filing journey.
  • Guide users through onboarding and ITR portal registration.
  • Collect and process documents such as Form 16, AIS, and capital gains statements.
  • Validate income, deductions, declarations, and other filing information.
  • Provide a consistent self-service experience across mobile, web, and WhatsApp.
  • Handle complex tax scenarios while ensuring appropriate expert intervention.
  • Scale the filing process during peak tax filing periods.

From a technical perspective, the solution needed to combine conversational AI, document processing, retrieval-augmented generation, and backend API integrations to support a multi-step tax filing workflow. It also needed to distinguish between cases that could be handled automatically and scenarios requiring human expertise, creating a reliable handover mechanism rather than attempting to automate every case.

The Solution

InnovationM developed a conversational AI chatbot using OpenAI's GPT-4 to guide TaxBuddy users through the complete ITR filing journey. The solution combined conversational AI, RAG, document processing, function calling, and enterprise API integrations to automate routine filing activities while routing complex cases to tax experts. The solution included:

  • User onboarding: Supporting sign-up, sign-in, ITR Portal registration, client addition, and OTP-based verification across email, phone, and Aadhaar-linked processes.
  • ITR filing initiation: Collecting user information, helping users identify the appropriate ITR category, recommending filing plans, and securely collecting required credentials.
  • Pre-fill data retrieval: Fetching relevant pre-fill information through Aadhaar OTP, registered email and phone, and manual JSON upload while supporting AIS download and ITR portal password-reset workflows.
  • Document processing: Collecting and processing documents such as Form 16, AIS, capital gains statements, and other tax-related documents to reduce manual data entry.
  • Income & declaration collection: Gathering salary, deductions, capital gains, house property, and other relevant filing information through conversational interactions.
  • Data extraction & validation: Using AI to extract information from uploaded documents and validate collected details through contextual follow-up questions.
  • Computation summary: Generating summaries covering investments, deductions, and tax liability to support users before filing.
  • Automated case routing: Identifying non-standard cases such as business income, F&O, foreign income, and cryptocurrency-related filings and routing them to the Non-Automated team for expert handling.
  • Risk-based routing: Automatically routing filings above ₹50 lakhs for scheduled AL review while maintaining an automated path for eligible cases.
  • Retrieval-Augmented Generation: Using RAG to retrieve relevant tax information, process AIS data, support document understanding, and provide context-aware responses.
  • Function calling & system integration: Connecting the chatbot with backend APIs and TaxBuddy's third-party systems for onboarding, ITR portal registration, client addition, filing, validation, computation, routing, and e-verification through AI integration services.
  • Agent handover: Integrating existing human-agent workflows into the chatbot knowledge base so the system could determine whether to resolve a query automatically or transfer the user to an appropriate expert.
  • Payment & e-verification: Sending payment links, confirming payment acknowledgement, and guiding users through the final e-verification step.
  • Scalable architecture: Designing the chatbot architecture to support increased filing volumes during peak tax seasons without relying on proportional increases in manual processing.

The key focus was not simply building a tax chatbot, but creating a conversational AI capability that could participate in the complete ITR filing workflow, interact with underlying tax systems, process documents and user information, and intelligently determine when human expertise was required.

The Impact

The implementation helped TaxBuddy move from a predominantly manual ITR filing process toward a more automated and conversational filing experience. Instead of requiring tax consultants to manage routine activities throughout the filing journey, the solution enabled users to complete eligible filing workflows through a single conversational interface while maintaining clear handover paths for complex cases. The solution supported:

  • Increased automation of ITR filing requests for ITR 1 and ITR 2 categories.
  • Reduced dependency on tax consultants for routine filing activities.
  • Automated onboarding, document collection, validation, and computation workflows.
  • A guided filing experience across mobile, web, and WhatsApp.
  • Automated extraction and reconciliation of information from tax-related documents.
  • Reduced manual data-entry requirements for users and Operations teams.
  • Improved handling of complex tax scenarios through automated expert routing.
  • A scalable architecture capable of supporting peak tax filing volumes.
  • A foundation for broader conversational AI automation across tax and financial workflows.

By bringing together conversational AI, GPT-4, RAG, document processing, function calling, and enterprise integrations, the solution created a more automated and scalable approach to tax filing while maintaining human involvement where specialized expertise was required.

Automating the complete ITR filing process was a complex challenge because the workflow involved multiple data sources, financial documents, validations, tax scenarios, and human handovers. Our team addressed this by combining conversational AI, RAG, document processing, and backend integrations to build a solution that could automate routine filing activities while intelligently routing complex cases to tax experts.

Project Delivery Manager

InnovationM

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