I am so tired with this Nirvana tel people some time i answer the phone even i am at work when i see new call or something like that thinking probably call from nepal but allways it turns  out to be these people.....i just want to tell them thats not the way how bus. works and there is some other way .....first one guy called me saying dai  and i keep saying him pls dont call but u can email me i gave him my email address....after few days other gal call saying samething how do they get our number?