According to me all the coaching had the same pattern. On the whole they don't have lot of difference.
But if u want to know the name then I will suggest u to join Vidyamandir Classes as I think it will be helpful.
U hadn't write Vidyamandir in the question so if u want to choose from the above then I first want to say all the four institute that u mention above got their name but just for their Kota Branch.If u are going to Kota to join then go for Bansal, it's the best of all.
But if u are not going to kota then go for Vidyamandir or FIITJEE.
Please don't join the four u mention if u are planning to join coaching in other than Kota. As they are not known for their other branches.
If u have more confusion then u can again raise your problem here.