BSNL Cellone — International roaming

My cellphone international roaming not functioning. When I transferred my sim card to a new phone the ikon sim tool kit disappeared. And I am not able to choose international roaming even through mobile network operators. Very frustrated. Pls reply what I should do to [protected]@gmail.com. if I don't succeed in getting a solution I am planning to port over to somebody else on my return. My cell no is [protected].