Got It!!.. Simplicity at its best. No libraries, No complicated codes. Use SimplePaneLayout.
Just set the android:layout_marginLeft to a suitable value. :) Awesome :)
<android.support.v4.widget.SlidingPaneLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/slidingpanelayout">
<LinearLayout android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#CCC"
android:orientation="horizontal"
android:id="@+id/fragment_firstpane"/>
<LinearLayout android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#000"
android:orientation="horizontal"
android:layout_marginLeft="40dp"
android:id="@+id/fragment_secondpane"/>
</android.support.v4.widget.SlidingPaneLayout>