The percentage of revenue that comes from the four different product segments for a diversified manufacturing company are shown in the following pie charts. Figures pertaining to the year 1998 and 2000 are given on the right hand side. The total sales in the year 1998 were Rs. 120 crores. It was Rs. 195 crores in 2000. Go through them answer the questions based on them.
Which product segment has registered the maximum percentage growth in revenue during the two year year period?