India's rural housing programme already has a target. Its problem is building fast enough. PMAY-G aims for 4.95 crore houses by March 2029. Nearly every one is built the traditional way: hand-laid brick or block, mortar, and formwork for the slab. That means sequential trades and skilled masons who are hard to find in rural districts during peak agricultural seasons.
Andhra Pradesh is now testing an alternative. On 4 October 2026, Union Rural Development Minister Shivraj Singh Chouhan and Chief Minister N. Chandrababu Naidu laid the foundation stone for a 177-house pilot built with 3D concrete printing (3DCP). It is the first time construction-scale additive manufacturing has been deployed under PMAY-G. The houses are in Burripalem and Obulnayudupalem villages in Tenali Mandal, Guntur district.
Project at a Glance
- Units: 177 houses across two villages, Burripalem and Obulnayudupalem
- Scheme: Pradhan Mantri Awas Yojana-Gramin (PMAY-G) 2.0
- Outlay: ₹13.93 crore excluding taxes (≈₹14 crore)
- Union Ministry of Rural Development: ₹9.44 crore
- Government of Andhra Pradesh: ₹4.49 crore
- Implied cost per house: ≈₹7.9 lakh, which includes pilot overheads
- Build time claimed: about 10 days per house
- Programme timeline: all 177 houses within six months of launch
- Technical lead: CSIR-Central Building Research Institute (CBRI), Roorkee, under a tripartite MoU with MoRD and the state
Do the Numbers Hold?
Throughput
Ten days per house and 177 houses in six months only reconcile with parallel production. At one house per printer every 10 days, the programme needs about 1,770 machine-days, which means roughly ten printers working continuously for six months. Another possibility is that "10 days" is calendar time to complete one house, with printing, roofing and finishing overlapping across sites. Either way, the pilot tests site logistics as much as the printers themselves: moving machines between plots, supplying consistent mix in rural conditions, and handling monsoon interruptions.
Unit Cost
This is the number that will decide whether 3DCP scales beyond Guntur. The same event released the first instalment of 3 lakh PMAY-G houses to Andhra Pradesh, worth ₹3,600 crore. That is ₹1.2 lakh per house, the scheme's standard grant for plain areas. The pilot's implied ₹7.9 lakh per unit is roughly 6.5 times that.
The comparison isn't entirely fair. Pilot budgets carry equipment mobilisation, trial mixes, testing and institutional supervision that a scaled rollout would spread across thousands of units. But the gap shows how far the economics have to move. For 3DCP to become a standard option for PMAY-G beneficiaries, the cost per square metre of printed wall has to compete with brick masonry in rural Andhra, not with urban construction labour.
The funding split is worth noting too. The Centre is paying about 68 per cent of the pilot, compared with the scheme's usual 60:40 share for plain-area states. That suggests MoRD is treating this as technology validation, not routine housing delivery.
Context: Not India's First Printed Building
India has already printed buildings. Tvasta, a start-up incubated at IIT Madras, printed a demonstration house in 2021. L&T delivered a 3D-printed post office in Bengaluru in 2023, and several defence and institutional structures have followed. What is new here is the customer and the scale. This is the first 3DCP deployment inside the country's flagship rural welfare housing scheme, and the first to attempt more than a hundred dwellings in one programme.
That matters for the industry. One-off demonstrators prove a printer can build a wall. A 177-unit government pilot will produce data on cost per unit, defect rates, beneficiary acceptance and the standards gaps that block wider procurement. The data, more than the houses, will decide whether PMAY-G adopts the technology.
Market Impact and What to Watch
The state has said that if the Burripalem pilot succeeds, the model could expand to thousands of rural housing sites. Andhra Pradesh alone has 3 lakh PMAY-G houses sanctioned in this round, and Chouhan has committed another 3 lakh. Even a small share of that volume would create the first large public market for construction-scale printers, printable cementitious mixes and trained operators in India.
Three things will show whether the pilot is working:
- Disclosure. Will CBRI publish the print system, mix design, structural test results and actual per-house costs?
- Schedule. Six months puts completion around April 2027. Slippage will reveal the real bottleneck, whether that is machines, material supply or site preparation.
- Standards. A codified pathway for 3D-printed load-bearing walls in BIS and state building rules is a prerequisite for open tendering at scale.
For Indian construction-tech firms and material suppliers, the opportunity is real but conditional. It depends on the per-house cost moving towards the scheme's ₹1.2 lakh benchmark.
Discussion