First I undertook SNAP mocks from different classes. They only had same pattern and question types through out and were only 10, which is very limited for someone giving all attempts. Afterwards, in Sumit sir's live, I came to know CatKing's mocks. It was under discount (mostly it has discounts) and so I instantly got them. It was my best money spent. It was worth each penny.
They offered 20 mocks. Each mock having different types of questions. Different level of difficulty for each mock and each section. Most of the question types were covered. Actual SNAP had so many similar questions to it. They also had explanation for all of them.
Moreover along mocks, they had a lot of extra content available to study, specifically designed for SNAP. As my verbal was weak, the extra questions pdf of 800+ questions covered most of topics of grammar, idioms, critical reasoning, etc. which helped me to make my base strong.
Everything combined helped me much for cracking SNAP as I got 98.94 percentile. So if work and analyse the content properly, you can most probably crack it too.

The nmat mocks were designed in such a way that almost any kind of questions were doable in the actual paper. They were very crucial in developing time management. The mocks were a great help to score high marks. The analysis of each mock was done really well and helped in identifying the shortcomings. The sectional tests were also really helpful to improve each area separately. Also there was no sense of losing touch due to the number of mocks.

For SNAP exam sectional mocks from catking helped me in increasing my speed and accuracy while full length mocks gave me the taste of actual test, though catking full length mocks were on a harder side it helped me in achieving good score in actual exam.
SNAP live lectures and previous year's asked questions video explanation gave me a good Idea about the difficulty level of the SNAP
SNAP maximizer of 800 questions helped me cover required variety of the questions that were asked in the actual exam

Catking helped me a lot in cracking the nmat exam. The NMAT focused classes and mocks were of great help and also the nmat maximisers video were really helpful, they covered all the important topics.