Śakra or Sakra is an epithet of Indra
Indra (/ˈɪndrə/; Sanskrit: इन्द्र) is an ancient Vedic deity in Hinduism. He is the king of Svarga (Heaven) and the Devas (gods). He is associated with the sky, lightning, weather, thunder, storms, rains, river flows and war. Indra’s mythology and powers are similar to other Indo-European deities such as Jupiter, Perun, Perkūnas, Zalmoxis, Taranis, Zeus, and Thor, showing connections to hypothesized Proto-Indo-European mythology.