Explanation:

Jamshedpur is the first planned industrial city of East Singhbhoom district.

Jamshedpur  or Tatanagar is the largest and most populous city in Jharkhand and first planned industrial city in India. It was founded by Jamsetji Tata, founder of Tata Groups in the 1900s, and was named after him. It was established in 1919. Jamshedpur was ranked as the cleanest city of India in 2020 by Swach Survekshan in 2020. Jamshedpur ranked as the 15th cleanest city in India by Swachh Survekshan in 2019 and was 7th cleanest city of India in 2010. The city is also ranked as 2nd in India in terms of 'Quality of Life'. Jamshedpur is the 84th fastest growing city in the world according to City Mayors Foundation. It is the headquarters of the East Singhbhum district of Jharkhand and is the 36th – largest urban agglomeration. And 72nd largest city in India by population.