Lighting Insights

Profile light design for ceiling and walls in a living room by Diamond Electrical Industries
Profile Light Design for Ceiling and Walls: Types, Sizes and Where Each One Works
Compare profile light design for ceilings and walls: recessed, surface, corner and silicone types, which size suits each job, how much length you need and listed prices. Read more...
Wedding light decoration at home ideas, lights and cost guide by Diamond Electrical Industries
Wedding Light Decoration at Home: Ideas, Lights and Cost Guide
Plan wedding light decoration at home in simple steps: ideas for each area, how to measure your house, which lights to buy, real costs and a safety checklist. Read more...
Buy best outdoor house lights for decoration: wall lights, garden lights and gate lights by Diamond Electrical Industries, Kolkata
Buy Best Outdoor House Lights for Decoration: Wall Lights, Garden Lights and More
Buy the best outdoor house lights for decoration: outdoor wall lights, IP67 gate lights, garden spike lights and flood lights, with IP ratings, colours and a wattage guide for Kolkata... Read more...
Diwali Light Decoration Outside Home 2026: Balcony, Gate and Terrace Setups with Prices
Diwali Light Decoration Outside Home 2026: Balcony, Gate and Terrace Setups with Prices
Diwali light decoration outside home in 2026: four costed setups for the balcony, house front, gate and garden, with a metre calculator, IP rating guide, price list and flat 50%... Read more...
Best lights for Diwali 2026: strip lights, rope lights, wall lights and chandeliers by Diamond Electrical Industries
Buy Diwali Lights in Kolkata 2026: Strip Lights, Rope Lights, Wall Lights and Chandeliers
Buy Diwali lights in 2026 with current prices: LED strip lights for coves, rope lights for terraces and gates, decorative wall lights and chandeliers for the living room, plus a... Read more...
Diwali light market in Kolkata: decorative lights for Diwali and Kali Pujo 2026 by Diamond Electrical Industries
Diwali Light Market in Kolkata: Where to Buy Decorative Lights for Diwali and Kali Pujo 2026
Where is the Diwali light market in Kolkata? A 2026 guide to Ezra Street, Chandni Chowk and Burrabazar with metro stops, what decorative lights to buy for balcony, terrace and... Read more...
What to buy on Dhanteras 2026 for your home: chandelier, wall lights and brass puja items in a festive dining room
What to Buy on Dhanteras 2026 for Your Home: Lights, Chandeliers and Other Auspicious Picks
What to buy on Dhanteras 2026: the traditional auspicious list (gold, brass, broom, diyas, coriander), the date and muhurat tips for Kolkata, and how to pick a chandelier, wall light... Read more...
Diwali decoration items for home and decorative lights by Diamond Electrical Industries, Kolkata
15 Diwali Decoration Items for Home: Traditional Picks and Lights That Last All Year
A complete list of 15 Diwali decoration items for home: diyas, alpona, toran, akash prodip, candles and flowers, plus the chandeliers, wall lights and cove lighting that keep a Kolkata... Read more...
Diwali lights for home: warm white rope light on a Kolkata balcony railing at night
Diwali Lights Decoration 2026: Buy LED Lights with Prices (Flat 50% Off)
Diwali lights decoration 2026 with real prices: buy LED strip lights, rope lights, wall lights and chandeliers at flat 50% off, with three costed setups, a metre calculator and Kolkata... Read more...
10 best false ceiling lights: types, layout and spacing guide by Diamond Electrical Industries
10 Best False Ceiling Lights: Types, Layout and Spacing Guide for Indian Homes
The 10 best false ceiling lights for Indian homes, how many to fit in each room, how far apart to space them, POP ceiling light design ideas and what to... Read more...
Premium COB downlight for pooja rooms, D2092 with black bezel over a home shrine
Spotlight for Pooja Room: Choose the Right COB Downlight
Festive season is here in Kolkata, from Durga Puja to Kali Puja and Diwali, and one corner of every home gets special attention. The puja ghar or the small mandir... Read more...
Diamond Electrical Industries banner reading LED Light Supplier in Kolkata, with the showroom address and website
Choosing the Right LED Light Supplier in Kolkata: A Buyer's Guide
Comparing an LED light supplier in Kolkata? See what to check and how LED manufacturers in Kolkata differ before you place your next bulk or showroom order. Read more...
LED Lights Offer for Durga Puja: Flat 50% Off at Diamond Lighting, Kolkata
LED Lights Offer for Durga Puja: Flat 50% Off at Diamond Lighting, Kolkata
Flat 50% off LED lights this Durga Puja season. Shop COB downlights, strip lights and track lights in the Puja offer on dewdiamond.com or our Kolkata showroom. Read more...
Room decoration lights ideas for living room and bedroom by Diamond Electrical Industries
Room Decoration Lights: 12 Ideas for Living Room and Bedroom
10 room decoration lights ideas for the living room and bedroom, from cove and headboard lights to shelf and mood lighting, plus simple ways to light your room for Diwali,... Read more...
Wholesale light market in Kolkata guide banner by Diamond Electrical Industries
Wholesale Light Market in Kolkata: Where to Buy Lights in Bulk at the Best Price
Where to buy lights in bulk in Kolkata: what Ezra Street, Chandni Chowk and the Burrabazar lanes are each best for, why the cheapest price is not always the lowest... Read more...
Durga Puja lighting decoration: a Kolkata pandal lit with LED flood lights and RGB rope lights
Durga Puja Lighting Decoration: Pandal and Road Lighting with LED Flood and RGB Lights
A practical guide for puja committees and decorators: how pandals layer white and colour flood lights, when RGB is worth it, why IP67 matters in Kolkata rain, and a five-step... Read more...
Dr Bidhan Chandra Roy and the 1958 Salt Lake story of Diamond Electrical Industries, Kolkata
1958: Dr Bidhan Chandra Roy, the Salt Lakes and the Story of Diamond Electrical Industries
In 1958, Dr Bidhan Chandra Roy first saw the salt water marshes east of Kolkata, and Diamond Electrical Industries began the same year. The real history of Salt Lake, and... Read more...
Durga Puja lighting ideas for a Kolkata home by Diamond Electrical Industries
Durga Puja Lighting Ideas for Your Home: Easy Pujo Lights Before Shashthi
Simple Durga Puja lighting ideas for the entrance, living room and balcony of a Kolkata home, with a pre-Pujo checklist and FAQs. Read more...
Diamond LED light showroom at Esplanade East, Kolkata
LED Light Showroom in Kolkata: Inside Diamond's New Space at Esplanade
Diamond Electrical Industries opened its LED light showroom at 11A, Esplanade East on 1 October 2026. See what is on display, how to compare lights side by side and how... Read more...
LED COB downlight price guide: what affects the cost
LED COB Light Price: What Affects the Cost and How to Choose the Right COB Downlight
What really drives LED COB light price, how to choose the right COB downlight for your false ceiling, and what to check before you buy in Kolkata. Read more...
Artificial LED skylight bringing a blue sky into a windowless room in Kolkata
Artificial Skylight in Kolkata: Bringing the Sky into Windowless Rooms
Windowless rooms can be bright and still feel closed in. Here is how an artificial skylight uses Rayleigh scattering, high colour rendering and tunable light to bring the sky indoors,... Read more...
Honeycomb anti-glare COB downlight in a false ceiling
That Honeycomb Isn’t Just for Looks: Why This COB Downlight Changes the Way Light Feels
A ceiling light can be bright without being comfortable. Look closely at the downlights in the image above and the first thing you notice is not the LED itself. It... Read more...
Practical guide to different types of LED downlights featuring recessed, surface, adjustable, and multi-light downlight fixtures displayed in a modern architectural lighting environment.
A Practical Guide to the Different Types of LED Downlights
Choosing a downlight requires more than picking a wattage. Discover the different types of LED downlights available, understand key features like anti-glare and reflectors, and learn how to select the... Read more...
Smart lighting explained: colour temperature, dimming and tunable white LEDs
Smart Lighting Made Simple: Master CCT, Dimming & Connected LEDs
Smart lighting is not simply about turning a bulb on or off from a smartphone; it is about controlling the physical behaviour of light to match your space and routine.... Read more...
Diamond Electrical Industries, a Kolkata lighting brand from 1958 to the LED era
1958 → 2026: Why a Kolkata Lighting Brand Is Still Relevant in the LED Era
From a traditional Kolkata lighting brand established in 1958 to a modern LED lighting company, Diamond Electrical Industries has evolved with changing technology and customer needs. Discover how decades of... Read more...
Guide to choosing LED lights for homes, offices and commercial projects in Kolkata
How to Choose LED Lights for Homes, Offices & Commercial Projects in Kolkata
Choosing LED lighting is about more than wattage. Learn how to select the right LED lights based on space, colour temperature, application, mounting and lighting requirements. Read more...