Videocone d2h – Balance kaat liya

My name mithilesh jaiswal my customer id. 77801688 my Mobile n.09565790013 Dear sir. Mera videocone d2h set top box kharab tha complane karne pe Engineer aya jo ki 28.8.14 box bhi nahi bana servis charge bhi 150rs. De diya fir 26.10.14 ko fir cumplane kiya videocone d2h customer care adhikari ne bataya ki aap 150rs. servis charge 28.8.14 ko de chuke hai aap ko servis charge nahi dena hai 150 rs. Box ko change karne ka hi charge dena hai to maine 150rs diya aur recharge karwaya to videocone d2h walo ne mere account se 1.11.14 ko 300 rs. Servis charge ke naam pe Kat liya complane karne pe koi sunwai nahi kar rahe hai customer care wale mera 300 rs bina kisi karan kat liya.
Plzz. Help me.