No connection could be made because the target machine actively refused it. Laravel 5.7 trying to connect MsSQL server

I am trying to connect to MSSQL server but unable to do so.

I have a configuration like this

DB_CONNECTION=sqlsrv
DB_HOST=PRATIK-PC\SQLEXPRESS
DB_PORT=1433
DB_DATABASE=helical
DB_USERNAME=root
DB_PASSWORD=12345

This is my .env file configuration

Also tried to make changes in php.ini file Added 2 extensions in it

extension=php_pdo_sqlsrv_73_ts.dll
extension=php_sqlsrv_73_ts.dll

Please help

via Chebli Mohamed