Indian States Geography

Maharashtra has the longest road network in India, spanning over 3 lakh kilometers, including national highways, state highways, and district roads, benefiting from its large geographic area and developed infrastructure.

Uttar Pradesh has historically been the largest sugar producer in India, followed by Maharashtra. Karnataka ranks among the top producers. While Andhra Pradesh produces sugar, Uttar Pradesh, Maharashtra, and Karnataka constitute the top three sugar-producing states.

Gujarat has the longest coastline among Indian states, stretching approximately 1,600 km along the Arabian Sea. Its extensive coastline includes the Gulf of Kutch and the Gulf of Cambay.

Rajasthan is the leading diamond-producing state in India, with mines in the Panna district. While Jharkhand, Odisha, and Madhya Pradesh have significant mineral resources, Rajasthan dominates in diamond production.

Gujarat produces approximately 60% of India's salt, primarily from the Little Rann of Kutch and coastal areas. The state's favorable climate, extensive coastline, and large salt-affected lands make it ideal for salt production through solar evaporation. Rajasthan has significant salt deposits but Gujarat dominates production.

Uttar Pradesh is India's most populous state with over 199 million people as per the 2011 census. Its large population is due to fertile agricultural land, high birth rates, and historical settlement patterns in the Gangetic plain.

According to the 2011 Census, Kerala had the highest literacy rate at 93.91%, followed by Lakshadweep (91.85%) and Mizoram (91.33%). Kerala has consistently maintained the highest literacy rate across multiple census cycles.

Punjab has the highest SC population

Gujarat has the longest coastline among Indian states at approximately 1,600 kilometers, due to its long peninsula shape on the western coast. Andhra Pradesh, Kerala (misspelled as 'Karela' in option B), and Odisha (formerly Orissa) all have significant coastlines but none match Gujarat's length.

Maharashtra has historically been India's largest onion-producing state, particularly from regions like Nashik and Pune. The state has favorable climate and soil conditions, advanced irrigation facilities, and well-established market infrastructure for onion cultivation.

Correct answer is (1). 

The Rihand Dam is built on the Rihand River (also called Rend River) in Sonbhadra district of Uttar Pradesh. It is a hydroelectric project that supports the Rihand Super Thermal Power Station. None of the other states listed have this dam.