New Delhi: Bharat Earth Movers Limited (BEML) CMD V Natarajan was questioned by the Central Bureau of Investigation (CBI) in connection with the controversy over the deal to supply the all-terrian Tatra trucks to the Army. The CBI is investigating the BEML-Tatra deal following Army Chief General VK Singh's allegations that he was offered a bribe of Rs 14 crore by a former Army officer lobbying for the truck manufacturer to clear the purchase of substandard vehicles.