In this rapid moving constructional era it is a major challenge all across the globe to achieve the desired labour productivity. Many of the project aims for higher productivity and the people involved strive hard to achieve it even but still they fail in it, for a simple reason that just working hard is not enough; to be more précised working smart yields higher productivity than working hard. The main aim of this paper is to study the labour productivity in construction sites based on two methods one is by a lean construction principle and another one is by questionnaire survey. Through which an effort is made by adopting these methods available which helps to improve the labour productivity and aims to give the better performance in construction projects