VVThe present invention relates to the compound of Formula (I) wherein the substituents are as described herein and their use in a medicine for the treatment of diseases disorders associated with the inhibition of Voltage gated sodium channels (VGSC) particularly Na1.7. It further relates to the compounds herein and their pharmaceutically acceptable salts thereof pharmaceutical compositions thereof useful in treating diseases disorders syndromes and/or conditions associated with the inhibition of Voltage gated sodium channels (VGSC) particularly Na1.7. The invention also relates to process for the preparation of the compounds of the invention.