17% Monsoon Deficit, Shrinking Reservoir Storage Trigger Relief Measures. El Nino Impact in Telangana: 111 mandals classified under severe drought and 254 under moderate drought; relief measures to be. Telangana has declared 365 mandals across 31 districts drought-affected for Vanakalam 2026. The State recorded a 17 per cent rainfall deficit, while paddy cultivation and crop area declined..