Charged 625 Extra for Under Warranty Refrigerator Compressor

Godrej service center k through mujhse 625 rs extra charge kiye gaye mere under warranty compressor k liye pehle unhone 425 rs service charge liya fir gas refilling k naam pe 1450rs liye gaye but jab bill ban k aaya toh usme gas charge sirf 825 rs tha or usme dryer tube ka charge joda hua tha jo k 225 rs tha jo k change nahi hui thi and transportation charge tha jo k 250 rs tha and miscellaneous charges jode huye they 150 rs yani k kul mila k unko voh paise bill m barabar karne they kota service center pe baat karne pe or godrej k service center pe baat karne per bahut rudely or chilla k baat ki gayi h mujhe mera amount refund chahiye.