Step 1: Understanding the Question:
The question asks for the correct full form of N.B.C., which is an essential document for housing and construction standards in India.
Step 2: Detailed Explanation:
• 1. Definition of N.B.C.: The National Building Code (N.B.C.) is a comprehensive instrument that provides guidelines for regulating building construction activities across the country.
• 2. Publishing Authority: In India, the N.B.C. is published by the Bureau of Indian Standards (BIS). The first edition was published in 1970 and has been periodically revised (latest major revision in 2016).
• 3. Purpose and Scope: It serves as a model code for adoption by all agencies involved in building construction, including Public Works Departments, local bodies, and private developers. It covers administrative regulations, structural design, and safety requirements.
• 4. Key Areas Covered: The code includes detailed specifications for fire safety, plumbing services, lighting and ventilation, acoustics, and electrical installations. It ensures that buildings are safe, sustainable, and accessible.
• 5. Relevance to Home Science: In the 'Housing' unit of Home Science, students study the N.B.C. to understand the minimum legal requirements for a healthy and safe residential environment.
Step 4: Final Answer:
The expansion of the acronym N.B.C. is National Building Code.