Consumer Redressal

I am using a Reliance GSM connection (ph no. 9681634335) And this Reliance person are just deducting my balance due to which i am not able to use my phone internet and all my work is being disturbed from 11.01.2015 (12am) till 12.01.2015 (current hour) and neither my ph call is getting connected to their customer care nor they are telling me why my balance is deducted and i m being HARASS for 2 days for an internet...if this continues and i face any problem then Reliance Communication will be held responsible for this wholly...deducted amount - Rs 18.9/-..amount is nothing but harassment is making my health bad....now what should i do....tell me...