Samsung Service Center — Replaced my mother board with other.

Address:

East Singhbhum, Jharkhand

I Rahul Das (Phone num- [protected]) having a Samsung Galaxy Grand duos phone, i visited Samsung service center dhatkidih, jamshedpur, Jharkhand - 831001 on 14/08/2015 for some technical issue, they told me that phone need software updation and it will cost Rs 350 and if it will not work then you have to change the mother board which will cost me around Rs 7000.I told them to update my phone.After half an hour they told me that updation does not work and told me that phone is dead you will have to change the mother board which will cost me Rs 7000.After than i took my phone and went to local mobile reparing center. They told me there is IC problem.They repared my phone.The main problem is that when i started my phone it show that the mother board is of another person Name-Mr. Ajay.When i called Mr.Ajay he told me that his phone is in samsung service center, dhatkidih, jamshedpur, Jharkhand - 831001 from last 1 week.The guy who was in samsung service center have changed my mother board. IMEI no of my phone and mother booard is different. IMEI NO-355884/05/160719/8, 355885/05/160719/5 of my phone & IMEI NO [protected]/01, [protected]/01 of mother board of Mr. Ajay which is in my phone. I called samsung customer care and told all about this Reference Id- [protected].Samsung is very reputed company and if this type of things happens what will be the image. So what action you will take?