3.6% (of reporting area) 
 
3.7% (of reporting area) 
 
3.8% (of reporting area) 
 
3.9% (of reporting area)
The net area sown increased by 3.8% from 1950–51 to 2014–15, as per the given data. This increase highlights the efforts to bring more land under cultivation.
In the given reaction sequence, the structure of Y would be: