Lab-on-a-CD is a microfluidic platform that uses the spinning motion of a compact disc to manipulate fluids and perform various biochemical assays. The development of rotating curved micro pipes allows for the precise control and manipulation of fluid flow, which is crucial for performing a variety of assays such as cell sorting, mixing, and detection. The importance of this technology lies in its ability to provide a high-throughput and low-cost method for performing various laboratory assays. It also has potential applications in the areas of medical diagnosis, drug discovery, and environmental monitoring. The rotating curved micro pipes can be fabricated using various techniques such as microfabrication, soft lithography, and micro-injection molding. The optimization of the design and fabrication of these micro pipes is crucial for achieving high performance and efficiency in Lab-on-a-CD applications. The aim of studying instabilities in rotating curved micro pipes is to better understand the fluid dynamics of the system and identify factors that contribute to the onset of instability. This can lead to the development of strategies to mitigate the effects of instability and improve the performance of microfluidic systems that rely on rotating or curved channels. Rotating curved micro pipes are commonly used in various applications, including Lab-on-a-CD devices, microfluidic mixers, and microscale energy conversion systems. However, the performance of these systems can be limited by instabilities that arise due to the interaction between fluid flow, centrifugal forces, and curvature effects. The study of instabilities in rotating curved micro pipes involves experimental and theoretical investigations of the system under different operating conditions. The aim is to identify the onset of instability and characterize the behavior of the system, such as the transition to turbulence or the formation of vortices. This can involve studying the effects of various parameters, such as flow rate, rotational speed, pipe diameter, and fluid properties. Ultimately, the aim of this research is to develop a better understanding of the underlying physics of the system and use this knowledge to optimize the design of microfluidic devices that rely on rotating or curved channels. This can lead to the development of more efficient and reliable devices for a variety of applications, including lab-on-a-chip systems, microscale energy conversion systems, and microfluidic sensors.