Q.What is meant by the informal sector? Why does its dominance pose a challenge to the Indian economy?

The informal sector consists of unregistered enterprises and casual/self-employment lacking formal contracts and social security; its dominance is a challenge because it keeps productivity low and leaves many workers without stable earnings or welfare protection. …

The informal sector (also called the unorganised sector) consists of enterprises and forms of employment that are not formally registered or regulated — small, often family-run businesses, self-employment, and casual daily-wage labour. Work in this sector typically lacks written employment contracts, regular working hours, and coverage under social-security laws such as provident fund, gratuity, or health insurance that apply to formal-sector employees.

Its dominance poses a challenge to the Indian economy for several reasons:

• Low productivity — informal enterprises often operate with limited capital, outdated technology, and little access to formal credit, keeping their output per worker relatively low.
• Lack of social security — a very large share of India's workforce, being informally employed, has historically fallen outside pension, health, and other welfare coverage designed for organised-sector workers.
• Income instability — earnings in casual and self-employment can vary significantly, with limited protection against income loss during economic downturns.
• Constraint on inclusive growth — since informal workers form such a large part of the workforce, their limited access to stable income and social protection is a direct obstacle to broad-based, inclusive economic growth. …

Students sometimes equate the informal sector only with 'poor people' or 'small shops' without identifying its defining feature — the absence of formal registration, contracts, and …