Hii,

Indian statistical institute is a national level entrance exam .Those who are qualified in  ISI entrance exam will be given admission in B stat (Hons),B math (Hons),M stat,M math,MS and PG diplomas.

The ISI is located in Bangalore,c Chennai,delhi and tezpur. The ISI syllabus is available in online mode only and is released by the officials on the website.Students can download the syllabus on www.isical.ac.in

Go through the previous paper .It will help you assess better.Different courses will have different syllabus.

According to the previous year question papers

For B stat and B math topics are :

Algebra

Geometry

Calculus

Trigonometry

For M stat subjects are:

Mathematics

Statistics

Probability

The easiest way for the selection is going through the Syllabus of ISI and score good.

All the Best...,