The name Sachin is derived, via Indic languages like Bengali and Marathi, from the Sanskrit name Shachindra. Shachindra is a name given to Hindu mythological god Indradhanush which means Shachi's Indra. Shachi was one of the wives of Indra. It is also a name of Hindu god Shiva.
Sonia is a feminine given name in many areas of the world including the West, Russia, Iran, and South Asia. Sonia and its variant spellings Sonja and Sonya are variations on Sophia, a Greek name meaning "wisdom". The name was popularised by a 1917 bestselling novel, Sonia: Between Two Worlds, by Stephen McKenna.
