North 24 Parganas (West Bengal) [India], April 2 (ANI): The Enforcement Directorate (ED) has summoned a businessman based in West Bengal’s Bongaon in an alleged ration scam case. An ED officer visited the residence of businessman Babul Das, a close aide of former Bongaon Municipality Chairman Shankar Adhya and served summon to appear before ED and join the investigation. Babul Das was not at home at the time the ED officer reached his residence. “I don’t know why he has been served summon. My son is not at home. They have given a notice,” Babul Das’s mother said. Former Bongaon Municipality Ch…