@rohit.puri you still taking me wrong, using your code multidex will be applicable for only api 14 but i dont want to put an api check, rather i want to put check on my apps different flavors, so please help me with that.....

@Anupriya you should create an Application class that will extend Application and in onBaseContext you can run multidex if flavor or api version match like this :

public class YouApplication extends Application {

    @Override
    protected void attachBaseContext(Context base) {
        super.attachBaseContext(base);
        if (android.os.Build.VERSION.SDKINT ==  14) {
        MultiDex.install(this);
        }
    }

@rohit.puri I think you are taking me wrong, I just wanna know if I want to apply mutidex only for one of my flavors, then how I could achieve that??

@Anupriya yes you can define min sdk version for each flavor like this in your app gradle under android tag :

productFlavors {

    dev {
        minSdkVersion 21
    }
    prod {
        minSdkVersion 14
    }
}

By including android:name="android.support.multidex.MultiDexApplication" in your application Tag, you are making it available for your whole application, but what if i want to make it applicable for only one of the flavors of my app?