Ever wondered why Varanasi glows like heaven on  Dev Deepawali  night? Find out the Sanatangyan  meaning behind it. Dev Deepawali 2025 , to be celebrated on  November 5 , is more than just a festival — it’s a spiritual awakening of Sanatangyan culture. On this sacred Kartik Purnima  night, Varanasi turns into a divine spectacle: millions of diyas light up the ghats of holy Ganga , rejoicing in Lord Shiva's victory over the demon Tripurasura. It is believed that on this night,