MAT

PUMBA accepts different scores. As far as MAT is concerned their cut-off is 600. Yes, they do accept MAT score. They have good placement assistance.

IMD-Gurgaon, IMS-Navi Mumbai, IMS- Ghaziabad, Welingkar-Bangalore, Symbiosis and ICFAI-Hyderabad are some of the good options for you.

Minimum of 6 months are required for complete in-depth preparation along with mock tests and revision, it also depends on your caliber and grasping power of concepts and rectification of mistakes.

Yes, it is good score but I would suggest you to retake February MAT and try to score good percentile and then you can apply to many good B-schools. Most of the MAT accepting B-schools start GD/PI only in March.

MAT cut-off for last year was 99.96 percentile. Yes, admission can be got through CET.

You should score high marks in MAT exam as your graduation score in not that good. You may not be eligible for top institutes which accept MAT score. The colleges in which you can get admission are, IFIM, MIT-Pune, Vanguard, Acharya, MS Ramaiah, ISBR, ITM, SCMS, Amrita-Kochi, Globsyn, Jaipuria, IILM, Devi Ahilya, Prestige, SRM, SSIM, VJIM, UPES, ISB&W, PES, SP Jain, DCSMAT, KCT, Hindustan and GITAM.

Kirloskar Institute, Singhad Institute, Balaji Institute are known B-Schools accepting CMAT/MAT scores.
Check the below links-
https://www.shiksha.com/mba/ranking/top-mba-colleges-pune-accepting-cmat/2-0-0-174-5822
https://www.shiksha.com/mba/ranking/top-mba-colleges-pune-accepting-mat/2-0-0-174-306

Balaji Institute of Modern Management and Indira Institute of Management are the best options for you.

Since, this is the first time college is accepting NMAT scores, we do not know what is the expected cut off will be.
All the best!