Subject(s): Sustainable development -- Eco-friendly Construction -- Spatial Planning -- Kerala Panchayat raj -- Handbook/kaipusthakam -- Public work - approach of tenth five year plan, important matters related to public works, public works, sustainable development and construction works, low cost, energy saving and ecofriendly construction technologies/ methods, Kerala panchayt raj/municipality public works rules, preparing of maps and register, spatial planning approaches and practice -- Panchayt raj public works rules, amendment, Kerala municipality public works rules and amendment