New Delhi: Congress president Sonia Gandhi has written letter to Delhi Chief Minister Sheila Dikshit asking for strict punishment for the guilty in the Delhi gang-rape case.Here is the full text of the letter:PromotedListen to the latest songs, only on JioSaavn.comAlso Read21-Year-Old Killed, Another Injured In Stabbing By Juveniles In Delhi: CopsParts Of Delhi Face Water Shortage As Ammonia Levels Rise In YamunaDelhi Schools Ordered To Follow Strict Admission Process To Curb Illegal Migrant Enrollment