The correct answer is Dalmiyanagar. Explanation & Key Takeaways: Dalmiyanagar • Dalmianagar of Bihar is famous for Cement. • The economy of Bihar: • Agriculture engages nearly three-fourths of Bihar’s population, and Bihar is one of India’s top producers of vegetables and fruits. • Despite significant gains in mining and manufacturing in the late 20th century, the state has continued to lag behind other Indian states in per capita income. • By government standards, a large segment of the population remains below the poverty level. • At the turn of the 21st century, the creation of the state of Jharkhand from Bihar’s southern region further strained Bihar’s struggling economy.