Answer: Bihar
Notes: Bihar Chief Minister Nitish Kumar inaugurated India’s longest rubber dam ‘Gayaji Dam’ on the Falgu River. It is a vast stretch of sand dunes. He also inaugurated the steel foot over bridge for the convenience of visitors who visit during Pitripaksha Mela. “The dam has been built at an estimated cost of Rs 324crore with the guidance from IIT (Roorkee).
