CBI arrests senior Indian railways officer from Assam in Rs 1 lakh bribery case CBI arrests senior Indian railways officer from Assam in Rs 1 lakh bribery case The Central Bureau of Investigation (CBI) has arrested a senior official of North-Frontier Railway from Assam for allegedly accepting a bribe of Rs 1 lakh, officials said on Tuesday. advertisement Representative Image The Central Bureau of Investigation (CBI) has arrested a senior official of North-Frontier Railway from Assam for allegedly accepting a bribe of Rs 1 lakh, officials said on Tuesday. Swapnadeep Gogoi, a senior section engineer deputed at Dibrugarh Coaching Depot, North-Frontier Railway in Assam was arrested by the CBI officials on charges of demanding and accepting an alleged bribe of Rs 1 lakh from the complainant.