@arun27508 seems to be a common occurrence with TWRP. Try this [https://www.samsung.com/us/support/troubleshooting/TSG01212623/|on here] and if that does not work give this [https://forums.tomsguide.com/threads/stuck-on-boot-screen-after-flashing-custom-recovery-samsung-galaxy-tab-3-neo.112167/|a try]. If none of that works you most likely with have to reflash your Stock ROM