Engineering
Dhaval Nai
Founder & CTO
Mechanical engineer who started with a ₹10,000 prototype borrowed from a professor. Leads product engineering, prototyping and manufacturing operations.
Our Story
Engineering the Future of Commercial Wash Technology
India's Shark Tank-backed commercial glass washer and dishwasher manufacturer. Designed, tested and built in Ahmedabad, Gujarat.
- 500+ Installations
- Shark Tank All 5 sharks invested
- ISO 9001 Quality certified
- Made in India Ahmedabad factory
Leadership
Meet the Founders
From a ₹10,000 college project to a nationwide commercial wash technology company.
Growth
Jayesh Nai
Co-Founder & CEO
Commerce background with the vision to scale India's commercial wash technology. Manages business growth, partnerships and market strategy.
Our Journey
From College Project to Market Leader
Milestones that shaped PM Washtech into a trusted HORECA wash partner.
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2020
The ₹10,000 Beginning
Dhaval Nai borrowed ₹10,000 from a college professor to build the first concept as a mechanical engineering project.
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2021
First Working Prototype
Completed the first functional glass washing machine prototype after months of iteration.
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2022
First Market Launch
Launched commercially as “Mahantam” — initial sales to tea stalls and small restaurants in Gujarat.
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2023
Shark Tank India — All 5 Sharks Invested
Appeared on Season 2, Episode 29. Secured ₹30 Lakhs from all five sharks — the ultimate validation.
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2024
Manufacturing Expansion in Ahmedabad
Opened the Satya Industrial Park facility with CNC fabrication and automated QA capabilities.
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2025
500+ Installations Nationwide
Reached the milestone of 500+ active installations across India's hospitality sector.
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2026
Serving India's Top HORECA Brands
Expanding the product line and entering new commercial segments with advanced wash technology.
Quality Assurance
Certifications & Compliance
Documents that demonstrate our commitment to reliable, safe and professional manufacturing standards.
ISO 9001:2015
Quality Management System certified by ICV Assessments Pvt. Ltd. for manufacturing of Rapid Glass Washing Machines. Certificate No. IN/18811440/5252, valid until 10/01/2027.
MSME / Udyam Registered
Udyam Registration No. UDYAM-GJ-04-0025863, issued by the Ministry of Micro, Small & Medium Enterprises, Govt. of India.
Patent Certificate
Patent No. 552382 for “A Washing Apparatus and Method of Washing a Vessel,” granted by the Patent Office, Government of India.
Startup India Recognized
Certificate of Recognition No. DIPP135229 from the Dept. for Promotion of Industry and Internal Trade, Govt. of India.
GST Registered
Certificate of Registration No. 24AANCP5780A1ZF from the Dept. of Goods & Service Tax, Govt. of India.
Manufacturing Excellence
Designed and Manufactured in India
Every Prahantam machine is built in our own Ahmedabad factory — from raw stainless steel to finished product. Complete in-house control over quality, not imported assemblies.
Explore Products-
In-House Engineering
Complete product design and prototyping under one roof.
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CNC Fabrication
Precision metal cutting and shaping for commercial durability.
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Quality Control
Every unit tested before dispatch to hospitality kitchens.
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Electrical Assembly
In-house wiring and component integration for reliable operation.
Recognition
Awards & Milestones
Validation from investors, customers and industry recognition across India.
₹30 Lakhs · 20% equity
Shark Tank India Season 2
All 5 sharks invested — Anupam Mittal, Vineeta Singh, Namita Thapar, Peyush Bansal and Aman Gupta. ₹30 Lakhs for 20% equity unanimous deal.
500+ Installations Nationwide
From tea stalls to five-star hotels — Prahantam machines serve businesses across India.
Gujarat Government Recognition
Recognized for contributions to environmental conservation, industrial safety and sustainable manufacturing innovation.