We brought in Viston to personalize merchandising, improve search, and forecast demand across festive seasons for our mid-market retail brand.

Business Challenge

Low search conversion and high stockouts in Tier-2/3 cities.

Limited personalization across languages and channels (app, web, WhatsApp).

Our Approach and Solution

Built a multilingual retrieval-augmented search and recommendations layer.

Implemented demand forecasting by micro-region with supply planning triggers.

AI Applications and Benefits Delivered

Personalized Product Recommendations

Personalized recommendations, similar items, and product bundles to improve customer engagement and conversions.

Multilingual Semantic Search

Multilingual semantic search supporting English, Hindi, and Tamil with query rewriting and Retrieval-Augmented Generation (RAG).

Demand Forecasting

SKU-level demand forecasting to support replenishment planning and markdown optimization.

Cost of Implementation

USD 39,000, including cloud infrastructure and data engineering.

Tools and Technologies Used

• Google Cloud BigQuery
• Vertex AI
• Recommendations AI
• LangChain
• FAISS
• Cloud Run
• Dataflow
• dbt
• Looker
• Redis
• Cloud Armor
• GitHub Actions

Quantitative Outcomes

• +0.9 percentage point increase in overall conversion.
• +14% increase in average order value (AOV).
• -18% reduction in customer acquisition cost (CAC).
• -22% reduction in stockouts across the top 1,000 SKUs.
• 2.1× improvement in search click-through rate (CTR).

Key Performance Indicators (KPIs) Tracked

• Conversion rate
• Average Order Value (AOV)
• Customer Acquisition Cost (CAC)
• Click-Through Rate (CTR)
• Add-to-cart rate
• Stockout rate
• Forecast MAPE
• p95 latency

Pre- and Post-Implementation Metrics

• Conversion Rate: 2.4% → 3.3%
• Average Order Value (AOV): INR 1,480 → INR 1,689
• Stockout Rate: 13.5% → 10.5%
• Search Click-Through Rate (CTR): 8.2% → 17.3%
• Forecast MAPE (Top SKUs): 28% → 14%

Stakeholder Quotes

Chief Growth Officer

“Personalization finally works in Hindi and Tamil—our Tier-2 growth unlocked.”

Head of Merchandising

“Planners trust the forecasts; we buy smarter pre-Diwali.”

Regulatory and Compliance Considerations

• India DPDP Act 2023
• Consent-based profiling
• Opt-out mechanisms
• PII tokenization
• Audit logging
• Model fairness checks for language bias