Note: If you want to remove

Earlier this month WhatsApp had introduced a Blue tick in its messenger. For this no special update is provided for that blue tick.The main function of this blue tick in Whatsapp is that with the help of this tick users came to know that the recipient has read the message
successfully. Now , the app shows two blue ticks when recipient has seen your message. For this feature no privacy setting is provided to disable this function.

Note: If you want to remove the blue tick from whatsapp then you wont be able to see recipient messages.