A field experiment was conducted during kharif 2015 to evaluate the efficacy of Indoxacarb EC@ 75g , Imidacloprid SL@ 30g , Thiamethoxam 25 WG@ 40g , Lambda cyahlothrin 5 EC@ 40gm , Triazophos 40 EC @ 250g and Azadirachtin 1500ppm@ 3ml/L for management of Bihar hairy caterpillar (Spilosoma obliqua Walk.) in urd bean crop (Vigna mungo L. Hepper). | Evaluation of insecticides against bihar hairy caterpillar Spilosoma obliqua Walk. on blackgram vigna mungo Linn.