A composting system that actually works.
The Green Thumb's aerobic composting method eliminates the two most common complaints about composting — foul odour and pest infestation. Our system is clean, efficient, and runs on a daily schedule so your society never has a backlog of unprocessed waste. We are in the process of filing a patent for our proprietary waste processing system design.
Services
Everything your society needs to compost at scale.
New Setup
Complete composting systems from scratch
We design and install a new composting system tailored to your society's available space, waste volume, and budget — from pits and shredders to bacteria cultures and segregation charts.
Upgrades
Optimise and upgrade existing systems
Struggling with odour, pests, or capacity issues? We diagnose and fix under-performing composting setups — upgrading machinery, redesigning pits, and retraining housekeeping staff.
Training
Train your housekeeping team
Proper segregation at source is the hardest part of composting. We provide hands-on training for housekeeping staff, gardeners, and residents to make it a reliable daily habit.
Consultancy
Expert advice for corporates and NGOs
Running a large campus or institution? We provide strategic consultancy for organisations processing hundreds of kilos of wet waste daily — from system design to daily operations.
Capacity Planning
Get the right system size from day one
90% of composting systems fail because they were undersized. Our technical capacity planning ensures your system handles peak waste volumes without smell, pests, or shortfall.
Process
A proven three-stage approach.
Stage 1
Free site visit & assessment
We visit your society to assess your current waste volume, existing processing capacity, space availability, and segregation quality. We then meet the managing committee to understand concerns and budget.
Stage 2
Detailed capacity proposal
We provide a tailored proposal including capacity planning, system design options (crates, pits, shredders), civil work quotations, layout drawings, and a realistic implementation timeline.
Stage 3
Daily operations & maintenance
Our team visits daily between 11 AM–2 PM to process wet waste using the aerobic method with bacteria culture. Every 4–6 months, a sieving team harvests the finished compost for your garden.
90%
of composting systems fail due to poor capacity planning
The Green Thumb has a 100% operational success rate across all 250+ installed systems.
Why It Works
Capacity planning is everything
90% of societies fail at composting because their system was not sized correctly from the start. The Green Thumb's capacity planning method ensures your system produces zero odour, fewer rodents, and superior quality compost — every single time.
Our Work
Projects we're proud of.
From day-one setup to full operation — here are some of the composting systems we have built across Pune.
Day one setup
Empress Court
Cleaning in the works
Gera Landmark
Installing the composting pit
Konark Estates
Completed system
Empress Court
Operational system
Gera Landmark
Composting pits in use
Konark Estates
Media & Recognition
In the news.
Firdosh Roowalla and The Green Thumb have been widely featured in regional and national publications for pioneering sustainable, community-led composting in Pune.
The Guy with the Green Thumb
A deep-dive feature profiling Firdosh Roowalla’s dedication and custom aerobic composting methodologies as a leading Pune climate champion.
Pune man turns 3,800 kg trash into treasure
National press coverage showcasing how Firdosh’s projects help local housing societies recycle massive amounts of municipal solid waste every single day.
Firdosh Roowalla — The "Compost King" of Pune
A prominent profile highlighting Firdosh’s academic research and his foolproof system that resolves pest and odor complaints for hundreds of clients.