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 Read2 Arrested At Delhi Airport For Smuggling Gold Worth Rs 1.21 crore By Hiding It In RectumDoctors Reattach Severed Hand Of Worker After 10-Hour Surgery In DelhiDelhi Records Maximum Temperature Of 39.2 Degrees Celsius: Weather Office