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AEN — Assistant Engineer
Group B promotion preparation: 70% selection / 30% LDCE, subject to the applicable notification. Source-backed subject practice is supplementary; current syllabus, eligibility, amendments and examination scheme require verification. Unapproved questions remain unpublished.
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Syllabus & study outline
AEN — 70% Selection preparation: source-based practice syllabus (October 2026)
Reviewed syllabus01Civil engineering fundamentals · 15%+
- Surveying, structural mechanics, construction materials, soil mechanics, foundations and construction methods
02Railway surveys and permanent way · 15%+
- Railway alignment and surveys; track components, maintenance, renewals, inspections, track management, G&SR interfaces and safe engineering working
03Bridges and vulnerable assets · 15%+
- Bridge inspection, maintenance and rehabilitation; river training, flood precautions, tunnels and deep cuttings
04Buildings, water and land · 10%+
- Building inspection and structural repairs; water supply, treatment, distribution, sanitation, sewerage and conservation; railway land acquisition and management
05Engineering works and contracts · 10%+
- Plans, estimates, measurements, tenders, contracts, work execution and project controls
06Track machines and engineering plant · 5%+
- Tamping, ballast cleaning, relaying, grinding, machine deployment, safe block working, maintenance, staffing, engineering plant, explosives, stores and law-and-order interfaces
07Establishment rules · 15%+
- Personnel organisation, recruitment and training; service conditions, manpower planning, conduct and discipline, retirement, welfare, industrial relations and personnel IT
08Financial rules · 15%+
- Financial propriety, budgets, allocation and control; works justification, stores finance, costing, tenders, audit, powers, losses, GFR, GeM, revenue, taxation and government audit organisation