Step onto a factory floor in India today and it doesn’t feel like it did five years ago. The machines still hum, the conveyors still move, but there’s a layer underneath all of it that wasn’t there before. Sensors picking up vibration and heat. Cameras catching a defect a human eye would probably miss on a twelve-hour shift. An algorithm quietly flagging that a motor is going to fail next week, not today. The factory has started paying attention to itself.
That’s really what a “smart factory” is. And it’s stopped being something only the biggest plants experiment with — it’s turning into the price of entry.
Why the conversation has moved past Industry 4.0 to Industry 5.0
For over a decade, the industry talked about Industry 4.0 — connecting machines, digitising data, letting systems run with less human intervention. That work isn’t finished, but the conversation has already moved on. What people are now calling Industry 5.0 isn’t about connecting more machines; it’s about what those connected machines do with the people working alongside them.
The difference is worth spelling out. Industry 4.0 largely asked, “how do we make machines faster and more autonomous.” Industry 5.0 asks a different question: how do we use AI to make the people on the floor better at their jobs, not replace their judgment. That shows up as AI systems that explain why a defect happened, not just that it happened. Collaborative robots that work alongside operators instead of behind safety cages. Dashboards that give a technician a recommendation, not just a data dump.
This matters for India specifically. A lot of Indian manufacturing still runs on deep operator experience — the person who can tell something’s wrong from the sound of a machine before any sensor does. Industry 5.0, done right, doesn’t discard that experience; it amplifies it with data. It’s arguably a better fit for how Indian plants operate than a pure “lights-out factory” model borrowed wholesale from elsewhere, where the goal is to remove people from the floor altogether.
The numbers, and what they buy you
India’s industrial automation market is projected to expand from around $3.6 billion in 2025 toward double digits over the next decade. The smart‑factory market, valued near $7.7 billion in 2025, is expected to reach about $17 billion by 2032.
Plants that get predictive maintenance and machine vision right see three things move together. Fewer defects reach the end of the line, because problems get caught mid-process instead of at final inspection. Breakdowns and maintenance costs drop 30-40%, because failures get anticipated instead of reacted to. And products get to market faster, simply because rework and unplanned downtime stop eating into the schedule — one improvement quietly compounds into the next. There’s an energy angle too — connected machines that adjust load in real time, rather than running flat out regardless of demand, cut energy consumption meaningfully on the shop floor. For manufacturers now being asked hard questions about their carbon footprint, that’s not a side benefit anymore — it’s becoming part of how ESG performance gets measured, alongside water use, waste, and supply chain accountability.
From assembly to building things
This technology push hasn’t happened by accident. It’s riding alongside a bigger shift in what India makes, not just how much of it. Make in India built the scale. The PLI schemes pushedharder, in 2014‑15 only 26% of the mobile phones which were being sold in India were made in India… today, 99.2% of all mobile phones which are sold in India are made in India.The question has moved from “is it made in India” to “how much of what’s inside it is made here.”
But value-added manufacturing is far less forgiving than assembly. Making semiconductors or precision components domestically needs tighter process control and higher yield — and that starts with the power feeding the line. Power quality is one of the more underrated challenges in Indian manufacturing today. Voltage sags, harmonics, and instability from renewables and EV charging are all well-documented issues — a recent NITI Aayog assessment found over a quarter of consumers still report dissatisfaction over voltage fluctuations damaging equipment. For a plant running sensitive electronics or automated lines, that’s not a minor inconvenience — it trips protection systems, overheats motors, and quietly erodes the precision the whole line depends on.
There’s an irony worth pointing out here: the very automation driving productivity, inverters, drives, welding machines, UPS systems, also pollutes the grid it depends on, generating harmonics and dragging down power factor. That shortens equipment life, raises failure rates, and pushes up both maintenance and energy costs — the same issue shows up in HVAC systems, hospital equipment, and EV charging stations. Our Active Power Filter (APF2000) and Static Var Generator (SVG2000) are built to address exactly this — filtering harmonics and compensating reactive current to improve power factor, without relying on capacitors, which wear out quickly and need frequent, costly replacement. The result is longer equipment life, fewer unplanned failures, and often avoiding the utility penalties that come with poor power quality. Reliable automation, at the end of the day, is only as good as the power underneath it.
One connected system, not separate boxes
Industrial connectivity is the nervous system — machines and sensors constantly talking to each other and reporting back. Digital monitoring and cloud intelligence turn that stream of data into something usable — visibility into what’s happening on the floor from anywhere, not just the control room. Digital twins let manufacturers simulate a process change before touching a physical line, catching problems on screen instead of on the shop floor. Intelligent control systems tie it together, adjusting in real time instead of waiting for a human to notice something’s off.
The mistake we see often is buying pieces of this without connecting them. The value only shows up once everything is genuinely integrated and built around the people using it — the Industry 5.0 principle in practice, not just in theory. We’re seeing the strongest demand for this kind of connected automation in textiles, automobiles, and electricals and electronics — three sectors where India’s manufacturing base is expanding fastest.
People still matter, maybe more
None of this replaces skilled people — it changes what “skilled” means. A technician who once diagnosed a fault by sound now reads what a monitoring dashboard is telling him, and increasingly works alongside systems designed to support that judgment, not override it.
Where this is headed
India’s manufacturing sector still has work to do — its share of GDP has sat in the mid-teens for years. But the sectors that have built real scale — electronics, phones, pharma, semiconductors — are the same ones leading both the smart factory shift and the move toward deeper localisation. Building things digitally, cleanly, locally, and with people genuinely at the centre is becoming a condition for winning global business, not an afterthought bolted on later.
The factories India builds over the next five years will say a lot about whether its manufacturing ambitions land. Increasingly, that story is being written not just in the software and the data, but in how well machines and people are learning to work together.
Authored by Anil Chaudhry, Industrial Automation Head, Delta Electronics India Private