The present disclosure relates to an apparatus for cancelling a noise signal for speech recognition, the apparatus includes one or more microphones configured on a mesh enclosure to receive a first set of signals pertaining to a user command. A speaker located in the mesh enclosure configured to generate a second set of signals pertaining to noise signal, wherein each of the one or more microphones are arranged perpendicular above the speaker at predefined degrees to cancel the generated second set of signals reaching the one or more microphones. A processor configured to process the received first set of signals by cancellation of the second set of signals; and enable, on receipt of the first set of signals, an operational mode of the apparatus to execute corresponding action.