Last but not the least, in case you still have doubt check with your teacher
In case you have been cheated
1. You may register a complaint regarding receipt of unsolicited commercial communications by sending SMS to 1909 in the specified format given below, with or without space after comma:
“The Unsolicited Commercial Communication, XXXXXXXXXX, dd/mm/yy”
Where XXXXXXXXXX – is the telephone number or header of the SMS, as the case may be, from which the unsolicited commercial communication has originated.
2. The complaint will be registered and acknowledged by the access provider by sending a unique complaint number through SMS.
3. You will be informed of the action taken on your complaint within 7 days of the complaint booking.