Consumer Redressal

I have purchase Samsung TAB3 from Jumbo electronics on 13.10.13 and it has automatically switch off on 17.10.13. but I can\'t able to take it in Jumbo because very next day i.e. on 14.10.13 we left for Jammu for Maa vaishnodevi darshan and from Jammu we have ticket dt.18/10/13 for Agra and from Agra we have ticket dt.23.10.13 but after reaching in Mumbai on 24.10.13 I have immediately go to Jumbo for TAB Exchange on 25.10.13 but they are not ready to take the TAB for Exchange they give the Service Number and told me to take the TAB service center only. and told me that it is not defective pieces only software problem is there but I fight them so much after that they take the TAB for exchange and told me we will inform you if Samsung is giving the exchange.On dt.31.10.13 I have go to Jumbo but they give me the answer that Samsung has not given any reply you will wait for 4-5 days. but till dt.13.11.13 they have not given any reply about that. Sir, please do something I Need your help.