[Resolved]  Idea Cellular, Net Setter — about relocation

I am Idea! Net Setter user since JAN 2009,
i have bought Idea Netsetter (Wireless modem + one month's charge 2490+749=3239) from New Delhi's Nehru place Idea costomer relationship center till now it working good, , , , , Number :[protected]
Now i have reloacated to Gujarat and hear i went to Idea shop for buy it's new sim card, , , , , , ,
That time they said me that for buy new sim card for the net setter you have must buy New Modem, , , ,

i have asked to they why should i have to buy new net setter they, so they said me be couse the Modem's IMEI Number configred with the circal's sim number, but here i try to use my delhi's net setter with here's sim card(my friend's) and it was working, , , , , ,

so, this is not proper resone, , , , , ,

and before i am came here i visited to Idea shop in delhi they said me that you have to buy only new sim in gujarat Rs, 89

But now in gujarat's idea shop, they said me you have to pay Rs.2490 for new Modem, i said them i have allready modem of Idea and also your existing customer, and not provid me sufficeint information