Welcome to the Local Guides Connect Community @Suvra Once please check and know the Connect Community Guidlines and also Introduce yourself Here
You will receive the badge soon please be patience sometimes it will takes time maybe continue your contributions you will definitely get the badge after updating points in your profile.
Don’t think like this your hard work never be wasted your contributions on the maps really helpful to the people. Just please be wait few days you will get your badge continue your contributions… 
Thank You, Keep Contributing…