•Please do not click photographs with your mobile phones without permission from the people or authorities concerned. You may be invading the privacy and possibly indulging in an illegal act.
•Do not send obscene / pornographic text / images using SMS.
•Do not send obscene / pornographic text / images using MMS (Multimedia Messaging Service)
•Do not receive from or reply to SMS / MMS of strangers.
•Do not transmit obscene/ pornographic material, as it is an offence under Information Technology Act –2000 which carries a punishment of 5 years of imprisonment and 1 lakh rupees fine.
•Do not make calls to the unknown phone / mobile numbers you get while chatting or which are exhibited on various profiles on the Internet. If you do, you may be causing harassment to the other person.
•Do not keep your Blue Tooth open at all times-you may receive obscene / pornographic text, images and viruses.
•Do not give your mobile numbers while chatting on INTERNET to avoid “STALKING”.
•DO not handover your mobile phone to unauthorised service centres, to avoid CLONING.
•It has been reported in the press that some unscrupulous elements may contact your mobile saying that they are from government agencies or Service Providers and request you to press #90 or #09. It is reported that doing so would transfer control of your SIM to the caller. SO DO NOT PRESS #90 or #09 when asked by unidentified persons.
•Note down your IMEI number.
•Security pin code should be used to avoid misuse of your mobile phones.
•MMSs / SMSs received should be checked for their source before opening.
•Delete all obscene / pornographic text, images, SMS /MMS from your mobile phones which you might have received or stored. Otherwise this may land you in trouble and unwanted embarrassment.
•Anti-virus software should be loaded in the mobile phone.
•Mobile phone keypad should be locked after every use.
•Use your mobile phone only when necessary .
Coutsey: BSNL http://www.chennai.bsnl.co.in/News/MobileDosNDonts.htm