You can use loading KML file on google map Here is the link to KML file for all Indian districts. https://sites.google.com/site/indiadistrictmap/home/kml https://sites.google.com/site/indiadistrictmap/home/kml/doc.kml

Here is the link to KML for states border only https://community.qlik.com/cyjdu72974/attachments/cyjdu72974/new-to-qlik-sense/77834/1/India-States.kml

   function initMap() {
    var map = new google.maps.Map(document.getElementById('map'), {
        zoom: 5,
        center: {lat: 28.667957, lng: 77.166449}
    });