The GATE PYQ solutions by Previo are just amazing! I loved the way they highlight Tips/Tricks/Important Steps/Alternative Methods. It's a must add-on if you aim for a good AIR.
Name, Title
Getting to study the concepts through questions appears the most important aspect of GATE preparation to me. Previo has been delivering very unique CTQs.
Name, Title
I found the GATE environment provided by Previo is the real match to the actual GATE exam environment. This is awesome, as one can literally feel the actual exam environment.