Phone is provide by Sony

hi,
i have buy sony experia z phone last year, which have some problem before 3 month, i submit my phone to service center and they told me you have to submit 16000 and we will provide new phone, also phone was in warranty but there are physically damage that why i submit 16000 , after visiting 4 time to service center and too many call with customer care now they told me, we can’t provide same due to phone is not available in stock,they are provide other phone which have different configuration.but i want same configuration phone with in my submit amount , now they refuse , so please do need fully i already spant 5000 rupees for same,

Regards
Durga
9871217509