Shri Sai Computer & Mobile Repairing Shop - destroy my laptop

Sir i took my laptop to sri sai computers & mobiles shop for repair it had display problem and i paid them then they called me and they told me that laptop is working and one cable has to be replaced and icu has some problem . I said I will see you later in the evening, the laptop is done, only a little work is left for me, I will do the installation of the cable. His laptop died while he was working. They told me and now they are not giving me anything. Do what you want to do. I showed the laptop outside and the RAM was also removed and they have my money. Get my laptop repaired and pay my money too.Now My laptop is completely dead.