i3MS-Sampling app facilitates the process of applying Form S(Sampling Request) for Sampling in offline mode for all i3MS registered Lessee only. The app allows the Lessee to submit the stack details and the geo-coordinates of the stack using Form S. The app has the capability to function in both Online and Offline mode. The app has a feature that enables the Lessee to view the current status of all the submitted Form S (Sampling Request) and take action accordingly.