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  • Authorised ROTOi Partner · India

Premium Aluminium Windows & Doors, Engineered in Germany. Built for India.

Merx Windgo LLP brings ROTOi aluminium window & door systems to luxury residences, architects and large-scale developments — designed for tropical climates, built to German manufacturing principles.
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10+

+ Yrs Warranty

3500+

Patents

Pan-India

Projects

18+

Production Sites

  • The ROTOi System Range

Aluminium Window & Door Systems for Every Elevation

From slimline sliding windows to grand lift & slide doors each profile is engineered for performance, security and clean architectural lines. See the complete range on our products page.
  • Patio 130 · LS / IW / SW

Lift & Slide Doors

Expansive glass openings with effortless glide — the signature of premium villas and
penthouses.

Explore Patio 130 →
  • FN52 · C / T / D

Casement Windows & Doors

Slim-profile casement systems with superior sealing, security hardware and acoustic performance.

Explore FN52 Series →
  • WW150 · Rotol Sliding

Sliding Window Systems

High-performance sliding windows built for Indian weather — monsoon-sealed, dust-resistant, silent.

Explore Sliding Range →
  • For Builders · Developers · Architects

A Fenestration Partner for Large-Scale & Luxury Projects

We work as an extension of your project team — from façade concept to final handover. One accountable partner for specification, supply and installation across towers, townships and signature villas. Browse completed work in our project portfolio.
Discuss Your Project

Specification

Profile selection, BOQ support, shop drawings and technical documentation aligned to your façade design. See the full system range.

Supply Chain

Delivery accuracy backed by Roto’s global logistics network — phased dispatch matched to your construction schedule.

 

Installation

Trained installation teams and on-site technical support, so quality is consistent from mock-up unit to final floor.

 

After-Sales

10+ year system warranty with responsive service support — protecting your project’s reputation long after possession.

 
  • Why Merx Windgo

German Engineering. Indian Understanding.

Reliability

German engineering skills — innovative, experienced and value-adding at every stage of your build.

Tropical Design

ROTOi systems are engineered specifically for Asia-Pacific climates — monsoon, humidity, heat and coastal air.

Technical Depth

Qualified, digital-first technical support — close to the customer from drawing board to site.

Range & Depth

An interconnected system portfolio — economical to specify, seamless to combine across a full elevation.

  • Gallery

Site Photos & Product Videos

A closer look at finished installations and ROTOi systems in use. More coverage lives on our Instagram and YouTube channels.

  • Photos

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  • Videos
  • Selected Work

Projects Delivered Across India

Gujarat

Jaipur

Pan-India

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Aluminium Windows & Doors in

Mumbai
Pune
Ahmedabad
Bangalore
Chennai
  • Common Questions

Frequently Asked Questions

More detail on our full FAQ page.

  • Begin Your Project

Specify ROTOi for Your Next Residence or Development

Share your drawings or site details — our team will respond with profile recommendations, timelines and a detailed quotation.

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