 In the next week he delivered a highly inspiring speech with Reasat Karim of Dehri in the conference of Socialist group of Kisan Sabha held on 18 and 19 April 1942 at Patepur in Muzaffarpur which was presided over by Abdul Hayat Chand of Patna.On the eve of the August Rebellion, Singh was blacklisted in Group "A" as Labour, Socialist and Terrorist Leader, classification I with Deep Narayan Singh, Rambriksh Benipuri, Narayan Prasad Verma, Bir Chand Patel and other leaders of Muzaffarpur District by the colonial government of Bihar Province.He went underground and organised his guerilla band of freedom fighters in the dense forest of Palamau.