While shopping online buyers mostly depend on reviews from users available on various websites. Trust is an important factor in any sort of relationship. A buyer can often see both the seller and the product, verify its quality, negotiate and bargain with the seller in traditional commerce. But in the context of online shopping, there is an absence of this face to face trust assessment. Absence of trust is always considered as a hurdle in online transactions. Ratings are available online. However those ratings are not always truthful. Then, they can falsify the weight and the scores.