I have collected a lot of DI questions for your practise. I hope that you would to solve them as soon as possible. Pals, any type of material you want, just ask me. I shall provide the material with in a day. As DI is very important topic and requires a lot of practise so I am trying to collect as much material for myself as well as for you people. So don't forget to do speed mathematics regularly and only then you can speed up you DI calculations.
Here is the download link:
Best of Luck