Mitashi - Mitashi s refrigerator not repaired in warranty period

Dear Sir/ Madam

I have a Mitashi refrigerator under warranty period. On **/**/****, my refrigerator got faulty & I lodged my *st complaint on the Mitashi's website. The service personnel paid us a visit & told that the compressor of the refrigerator has got faulty & needs to be replaced. He charged us Rs *** as visit charges & told that he shall come back with compressor & fix the refrigerator.
However, the compressor of the refrigerator was not received by the service personnel from the company (as informed by the service personnel) till ** days, leaving us with faulty refrigerator till **/**/****.
Then the new compressor was fixed, which was supposedly of Whirlpool company & was of less voltage than the one installed previously by the Mitashi company. We were charged Rs **** for the compressor, as it was told that the compressor is under warranty of * months only. However, this inappropriate new compressor also didn't last long & got faulty on **/**/****. I lodged my *nd complaint & the service personnels (* people- Ajay Mittal & Bijender) just kept lingering the matter saying that they shall fix up our refrigerator on this date or that date but till date (**/**/****) nothing has been done.
The customer service number of Mitashi gives us just the phone numbers of these two service personnels - Ajay Mittal & Bijender & these two have stopped picking our calls or even if they pick from other people's mobile number, they just dodge the matter & always give us false hopes that the refrigerator shall be fixed soon, as & when they shall receive the compressor.
Earlier, when my refrigerator got faulty (**/**/****) , the weather in Delhi was cold & we managed the huge ** days span of living without a refrigerator. But, now the weather in Delhi is hot & we are unable to keep our consumables.
What is our fault in purchasing a Mitashi refrigerator? Does it takes this long to fix a refrigerator? Now, I have also paid Rs **** for an incompatible compressor. How can the company just swindle my money & not provide me appropriate services??
I demand my refrigerator to be fixed immediately or provide me the mobile number/ email id of any high official of Mitashi who shall address my complaint with practicality or I shall escalate my matter legally.