Hi Pravallika

Syllabus of M.Stat for ISI entrance exam are :

Analytical Reasoning:

Algebra : Arithmetic, geometric and harmonic progression. Continued fractions. Elementary combinatorics: Permutations and combinations, Binomial theorem. Theory of equations. Inequalities. Complex numbers and De Moivre's theorem. Elementary set theory. Functions and relations.
Elementary number theory:
Divisibility, Congruences, Primality. Algebra of matrices. Determinant, rank and
inverse of a matrix. Solutions of linear equations. Eigenvalues and eigenvectors of
matrices. Simple properties of a group.
Coordinate geometry | Straight lines, circles, parabolas, ellipses and hyperbolas.

Calculus | Sequences and series:
Power series, Taylor and Maclaurin series.
Limits and continuity of functions of one variable. Di erentiation and integration of
functions of one variable with applications. De nite integrals. Maxima and minima.
Functions of several variables - limits, continuity, differentiability. Double integral
and their applications. Ordinary linear differential equations.

hope it helps :)