IONIC App not working on Android 4.4.2 & 4.2.2

I developed and build the IONIC App, and while testing I found that it is not working on Android 4.4.2 & 4.2.2.

I also gone through below links of forums, but did’nt found any solution.

Ionic 2, Blank screen on Android 4.4.2
Application Error running a Ionic2 app on Android 4.2.2
Android 4.2.2 showing blank page
Minimum android version supported by ionicv2
Anyone with a working Android 4.3 app for Ionic2

Have you checked your min. sdk version in your code?

Hey @espl_Abhishek where should I check the Min Version of SDK in my code i mean in which file. Pleas specify.

Yes sure.
Please check in your config.xml file.
It is specified something like :

Hello All there at IONIC Forum,

I have resolved the issue by using the below link and debugging the app as mentioned in it.

Thanks for your support.