my star tortoise has become weak!!!

by akshay
(mumbai,maharashtra,india)

i have a star tortoise and he is 9 months ols he was doing good a few weeks ago but now he can barely move . earlier he had a bulgy stomach but it has became flat and he does not even eat properly .he drinks water but seems very weak pstomach but now it has become flat pls advise i'm very tensed ....pls help