Can you give me information about required eligibility to apply for Indian Statistical Service exam of UPSC ?

Yes you can apply for Indian Statistical Service examination after passing M.Sc. Mathematics course .. here I am giving you information about required eligibility to apply for Indian Statistical Service exam of UPSC .

Indian Statistical Service exam:
You have to pass a Post Grade Degree in Statistics/Applied Statistics/Mathematical Statistics subject from a well recognized university .

Age limit :
21-30 years on 1st January of the year of Examination

Exam pattern :
For Indian Statistical Service
(a) General English 100 Marks
(b) General Studies 100 Marks
(c) Statistics-I 200 Marks
(d) Statistics-II 200 Marks
(e) Statistics-III 200 Marks
(f) Statistics-IV 200 Marks

Part II : Interview for Personality Test
200 Marks