M1 (formerly: MobileOne)

[CityFarmer]

Well, sharing of info will mean price-fixing. CCS will intervene. I doubt they will expose themselves with the risk.

It is very likely that other telcos follow suit after one's promotion went public. It shows that the telcos' marketing team efficiency...

Ah...CCS's scope dont cover telcos, banking & transport. It is under IDA.

CCS stands for Competition Commission Singapore. It was established under Competition Act of Singapore, and covers any things under the Act.

Ref: http://www.ccs.gov.sg/content/ccs/en/About-CCS.html