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 ReadRishabh Pant's Reaction To "When People Start Doubting Him" Post Wins InternetIPL 2024: Delhi Capitals Sign Gulbadin Naib To Replace Injured Mitchell MarshDelhi Mayor Polls Deferred, Civic Body Says No Presiding Officer Yet