Firstly guys Sorry for posting a separate thread on this instead of posting it in the Yureka Discussion thread.
However this problem has been annoying from the time I got this phone.
It initially started with the phone getting locked and me not able to access any of the options on the phone while the call is active.
This happened both when I receive a call and make a call.
Somehow the problem got fixed after I selected some options to remove Proximity Sensor( or whatever that crap is)
Later I thought maybe it will be a good idea to upgrade the phone to latest update hence I went ahead and updated the phone.
Now the problem didn't seem to go away.
Again I selected the options for the Proximity Sensor so the problem went away for a day or two but has been haunting me again for the past 3-4 days.
Whenever someone calls me in the past couple of days the screen gets locked and I can't answer the call. Period. I try to unlock the phone and see if I can answer the call but that doesn't help.
It works Ok if I make a call.
I'm not sure if this problem has started with any update or what.
Maybe there is an option that needs to be tweaked maybe there is not.
It doesn't help either that I'm not too much of a techie guy wrt mobiles, rooting etc.
One more reason I will stay away from these cheap phones especially ones made in China.
I thought the main purpose of having a phone is to make and receive calls.
Just imagine if some family member or friend is trying to call us for something urgent/important. I have to wait till they stop calling then unlock the phone and then call back.
This maybe one off case with Yureka phone but definitely this is annoying.
I thought with better technology lives are made better but definitely not with my mobile.
Hope friends out here can help me fix this problem.
However this problem has been annoying from the time I got this phone.
It initially started with the phone getting locked and me not able to access any of the options on the phone while the call is active.
This happened both when I receive a call and make a call.
Somehow the problem got fixed after I selected some options to remove Proximity Sensor( or whatever that crap is)
Later I thought maybe it will be a good idea to upgrade the phone to latest update hence I went ahead and updated the phone.
Now the problem didn't seem to go away.
Again I selected the options for the Proximity Sensor so the problem went away for a day or two but has been haunting me again for the past 3-4 days.
Whenever someone calls me in the past couple of days the screen gets locked and I can't answer the call. Period. I try to unlock the phone and see if I can answer the call but that doesn't help.
It works Ok if I make a call.
I'm not sure if this problem has started with any update or what.
Maybe there is an option that needs to be tweaked maybe there is not.
It doesn't help either that I'm not too much of a techie guy wrt mobiles, rooting etc.
One more reason I will stay away from these cheap phones especially ones made in China.
I thought the main purpose of having a phone is to make and receive calls.
Just imagine if some family member or friend is trying to call us for something urgent/important. I have to wait till they stop calling then unlock the phone and then call back.
This maybe one off case with Yureka phone but definitely this is annoying.
I thought with better technology lives are made better but definitely not with my mobile.
Hope friends out here can help me fix this problem.
have you tried for replacement ?? i know a lot of users were facing this problem when they were on kitkat..few of them had this problem solved in kitkat while few of them still have this...& a very small % of people had never faced this problem( like my friend & i purchased the phone within a gap of 2 weeks & thankfully, we don't have this problem ..neither in KK or LP ) 
