Yu yureka is value for money.it have good features like
1.13mp+ 5mp front camera is very good 9/10
2.performance also well with 2gb ram
3.the mobile have the heating issue when you play game it heat to 47c
4.sound is also very low & ring tone also very low volume
Solutions
1.after updating 5.1 lollipop cm12.1 the mobile sound is inceased.
2.To reduce the heating problems, battery improvement must Root the mobile
3.After rooting install
Greenify app
Thermal control&
No-frills control those will help you.