Bala collected the same data five years after Kamath, using

M: +1.00/-0.00

see image

Bala collected the same data five years after Kamath, using the same categorization. His data is presented below:
Graph:
Which of the following statements can DEFINITELY be concluded?

[MBA XAT 2016]

A In the last four years the number of Electrical hardware shop types has increased in North India.

B In the last four years the number of Grocers shop types has increased in South India.

C For the last four years in All India the number of Chemists shop types has remained constant.

D In the four years in East India the number of ‘other’ shop type has decreased.

E As per the new survey conducted Pan Bidi shops in East India are next only to Grocers.