Interest u/s 234b and 234c on unutilised amount of cga account.

Astha (Assisstant) (28 Points)

23 January 2016  
Hi! Amount deposited under CGA account on 31-3-2012.Amount remains unutilised till 31-3-2015,so CG amount becomes taxable on 31-3-2015.Is interest u/s 234B is applicable from April 2012 to Jan 2016? And what about interest u/s 234C?