Hi mvadukul,
Refer below code
    <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
    <script type="text/javascript" src="http://cdn.jsdelivr.net/json2/0.1/json2.js"></script>
    <script type="text/javascript" src="https://maps.googleapis.com/maps/api/js?key="></script>
    <script type="text/javascript">
        $(function () {
            $("[id*=btnSave]").bind("click", function () {
                GetLocation($("#txtAddress").val());
                return false;
            });
        });
        function GetLocation(address) {
            var geocoder = new google.maps.Geocoder();
            geocoder.geocode({ 'address': address }, function (results, status) {
                if (status == google.maps.GeocoderStatus.OK) {
                    var location = {};
                    location.lattitude = results[0].geometry.location.lat();
                    location.longitude = results[0].geometry.location.lng();
                    var mapOptions = {
                        center: new google.maps.LatLng(location.lattitude, location.longitude),
                        zoom: 17,
                        mapTypeId: google.maps.MapTypeId.ROADMAP
                    };
                    var infoWindow = new google.maps.InfoWindow();
                    var latlngbounds = new google.maps.LatLngBounds();
                    var map = new google.maps.Map(document.getElementById("dvMap"), mapOptions);
                    var myLatLng = new google.maps.LatLng(location.lattitude, location.longitude);
                    var marker = new google.maps.Marker({
                        position: myLatLng,
                        map: map
                    });
                    google.maps.event.addListener(marker, "click", function (e) {
                        var location = e.latLng;
                        //Wrap the content inside an HTML DIV in order to set height and width of InfoWindow.
                        infoWindow.setContent("<div style = 'width:200px;min-height:40px'> Latitude:" + location.lat() + "<br/> Longitude:" + location.lng() + "</div>");
                        infoWindow.open(map, marker);
                    });
                }
            });
        };     
    </script>
    <input type="text" id="txtAddress" value="The Schools HR Co-operative Ltd, Uxbridge" />
    <input type="button" id="btnSave" value="Save" />
    <hr />
    <div id="dvMap" style="height: 600px; width: 300px">
    </div>