What is the amount of data (in GBs) used by IIT Roorkee in year 2014 each month. What is the maximum data limit (per month) of IIT Roorkee. What is the expenditure on internet services provided in IIT Roorkee of year 2014 each month. What is the total Bandwidth of IIT Roorkee. What are the total number of students enrolled in each IIT Roorkee in year 2014.