The correct answer is: a) UJALA
UJALA (Unnat Jyoti by Affordable LEDs for All) is a government scheme launched by the Ministry of Power, Government of India in 2015. The scheme aims to distribute 40 crore LED bulbs to households across India, replacing inefficient incandescent bulbs. The scheme has been successful in reducing India’s energy consumption and carbon emissions.
Deen Dayal Upadhyaya Gram Jyoti Yojana (DDUGJY) is a government scheme launched in 2015 to provide electricity to all villages in India. The scheme has been successful in providing electricity to over 1 lakh villages in India.
Pradhan Mantri Sahaj Bijli Har Ghar Yojana (Saubhagya) is a government scheme launched in 2017 to provide electricity to all households in India. The scheme has been successful in providing electricity to over 4 crore households in India.
Atal Jyoti Yojana (AJAY) is a government scheme launched in 2015 to provide free electricity connections to poor households in India. The scheme has been successful in providing free electricity connections to over 1 crore households in India.
UJALA is the only scheme among the given options that specifically promotes energy efficiency. The other schemes focus on providing electricity to all households in India.