Optimal Control (Paperback)

Infibeam offers 30 days replacement guarantee for all products sold on Infibeam.com, under certain conditions which are mentioned below. Customers will notify us of any damage or defect within 72 hours from the date of receipt of delivery of the products, in case customer fails to inform Infibeam within the stipulated time frame, Infibeam reserves the right to accept or reject such request at its discretion. Infibeam will replace the defective product with a brand new product at no extra cost.

Infibeam will try to replace the specific product ordered. However, the company reserves the right to offer an alternate product in case the product is out of stock/ production.

The 30days replacement guarantee is valid only in cases of manufacturing defects and transport damages and is invalid in cases of damages due to normal wear & tear and negligence on part of the customer. The return policy is also not valid for certain products such as Cakes, Flowers, gifts, etc. Should customers come across any issue with such products, they are advised to contact customer service within 72 hours, failing which we may decide not take a request for replacement.

Digital content such as e-books is not returnable at all.