Sources informed The Sentinel that the Corporation has to deposit around Rs 1 crore every month as PF premia of its employees. It has also been learnt that ASTC owns 740 bighas of unutilized land across the State. Besides this, owing to lack of maintence and repair, while around 200 buses are lying idle in its central workshop at Rupgar in Guwahati, 600 buses are lying idle in its different stations across the State for around 50 per cent or minor defects.