Apple India — battery problem. battery replaced but problem not solved

Address: RAMJI DASS RAJPAL,, ,LAL MASJID ROAD, 141007

I rakesh jindal resident of ludhiana, punjab, india. Took mi phone to service center ti fix the problem of battery because it never lasts even 2 hours after full charge. I submitted my phone to the center and next day i advised to exchange the phone in full price because they said there is no problem in battery and the phone is faulty and its not possible to fix the problem. I answered that i dont want to pay for exchange amount as per company policy and i will collect the phone from the center next day. But next day in the morning i got the cal from center that we found that the batter is faulty and we can replace the battery and you can send the payment so we will replace the order of new battery. I send the payment and when i got my phone back but the problem not solved yet. I send my phone back to the service center and they give me the same statement as they told me before. Now i realised that apple company has no professional engineers to find the exact problem of phone. The company doing only one thing and that is robbing from customer. I am using apple products for last 12 years and this is first time that i this company make me very disappointed. And the company is unable to solve any kind of problem for their own products.