Difference of ITC in 3b and 2a

Kartick Mondal (1) (91 Points)

18 March 2019  
I have seen recently that there are many difference of ITC between my 3B and 2A for fy 17-18. I have claimed ITC in 3 b is more than the amount which reflected in 2A. how can I rectify now? please suggest. there is a same case in f.y 18-19.