In order to find the IMEI number of your Idea netsetter you can use two methods:
Method 1 :
Just take the modem in your hand and see it’s backside, you can see that by sliding the back cap there. Simply slide it down and you can view the idea sim. The IMEI number of your modem will be there written clearly just look carefully.
Method 2 :
Plug in your Idea netsetter to your PC/laptop and open the software provided by Net setter itself. Thenin the software, click Tools options on the toolbar and then select the Diagnostics option from the submenu that comes up. You will get the IMEI number of your modem from there!