PM Surya Ghar: Muft Bijli YojanaGovernment of India residential rooftop solar programme. Target 1 crore households by FY 2026-27. ₹75,021 Cr outlay. CFA subsidy ₹30,000-78,000 per kW.
ALMM (Approved List of Models and Manufacturers)MNRE-maintained list of solar modules and cells approved for government-backed projects. ALMM List II mandatory from June 1, 2026.
DCR (Domestic Content Requirement)Certification confirming domestic manufacturing of panels and cells. Required for subsidy under PM Surya Ghar except via the 'Give It Up' option.
BIS certificationBureau of Indian Standards certification. Required alongside ALMM listing for all subsidy-backed installations.
CFA (Central Financial Assistance)Subsidy disbursed to residential consumers under PM Surya Ghar. Released after DISCOM commissioning certificate is uploaded.
DISCOMElectricity distribution company. Ground-level implementing agency for rooftop solar; handles vendor empanelment, technical sanction, net meter installation, commissioning.
Net meterBidirectional electricity meter recording both consumption and export. Mandatory for grid-connected rooftop solar.
EPC (Engineering, Procurement, Construction)End-to-end solar project execution company. Most rooftop installations are EPC-led.
Image registrationCV process aligning two images (before and after) into a common reference frame. Foundational step for change detection.
Semantic segmentationCNN model assigning every pixel a class label (panel, mounting, inverter, etc.). Enables per-component completion scoring.
Installation Health ScoreComposite 0-100 score across 8 components (panels, mounting, inverter, wiring, earthing, AC box, net meter, safety).
Guided viewfinderAR-style camera overlay nudging technician to align "after" capture with the locked "before" baseline.
9-layer mock-location detectionGPS authenticity model catching location-spoofing apps. 100% detection rate.
Cross-install duplicate detectionSHA-256 + perceptual hash matching against 12-month rolling archive of all installs.
Staged installPanels temporarily placed, photographed, then removed and reused at another "customer" site. Caught by 30/60/90 day re-audit.
ALMM OCRComputer vision reading 16-digit ALMM traceability code from panel serial sticker; cross-referenced against MNRE database.
DCB / ACBDC distribution box / AC distribution box. Required compliance components in rooftop solar installations.
Customer Aadhaar + face-matchCustomer identity verification at install handover. Prevents application fraud.
Per-installer Tier A+ to DReal-time classification of installers by Installation Health Score, fraud flags, customer satisfaction.
30 / 60 / 365-day generation re-auditRandom sample re-verification of long-term system performance. Catches staged installs and detects underperforming systems.
Verified Execution Rate (VER)% of installs passing all verification layers. Headline KPI.
Proof Before Payment (PBP)Procurement standard tying subsidy + customer payment release to verified per-install execution.
Field Execution Intelligence (FEI)The purpose-built software category for offline execution verification.
gOGig AI14 production models. 100% verification accuracy. 100% fraud detection rate.