There are many coaching & institute, One of them is Career Anna you can go for it. TISSNET (TISS National Entrance Test) is held in the month of January, Getting through HRM & LR programme at TISS Mumbai involves three stages:

1. TISSNET
2. Group Discussion and Essay
3. Personal Interview

TISSNET syllabus will consist of questions related to General Awareness, Logical Reasoning, Maths and English Proficiency. Here are some topics covered in the syllabus:

General Awareness : Geography, History,, Personalities, Current Affairs, etc.

English Language Ability : Vocabulary, Analogy, Reading Comprehension, etc.

Maths & Logical Reasoning : Basic Geometry, Percentage, Time & Distance, BODMAS, Ratio, etc.

Good Luck!