The Optical Burst Switching is a new switching tech nology that efficiently utilizes the bandwidth in t he optical layer. The key areas to be concentrated in Optical Burst Switching (OBS) networks are the burst assembly and burst scheduling i.e., assignment of w avelengths to the incoming bursts. This study prese nts a New Burst Assembly and Scheduling (NBAS) technique in a simultaneous multipath transmission for burst loss recovery in OBS networks. A Redundant Burst Segmentation (RBS) is used for the burst assembly. In our proposed algorithm, the proper policy is select ed based on the priority of each burst, the length of each burst and the length of the redundant data. After a ssembling the burst, the burst scheduler algorithm schedules the burst. This algorithm is responsible for the output wavelength and contention-free fiber delay lines to switch every burst payload to its target o utput fiber. The OBS network simulator (nOBS) patch in NS-2 is used to simulate our network. NBAS technique improves the quality of service constraints like delivery ratio, delay compared to RBS technique. Fr om the simulation results, it is shown that our pro posed technique New Burst Assembly and Scheduling (NBAS) optimizes the delay and overhead through the best burst assembly and scheduling thereby increasing th e delivery ratio.