Total revenue in year 2013, 2014 and 2015 is what percent of total revenue in given 6 years ?

Total revenue in 6 years = Rs. 2810 crores

Total revenue in the years 2013, 2014 and 2015

= Rs. (470 + 650 + 400) crores = Rs. 1520 crores

$herefore$ Required percent $=frac{1520}{2810} imes 100=54.09$