Bharat Sanchar Nigam [BSNL] — False assurance

Most of the landline telephone bills are paid thro' ecs (Electronic clearing service). As this mode is being in vogue, bsnl (Chennai) used to tempt the customers offering a discount of rs.10/- on the bill amount, every moth if opted for electronic bill, thus abolishing the manual. Bills sent every month,
Virtually. Customers had to switch over to the option of ebills and bsnl-
Chennai saved crores of rupees by way of avoiding postages. To the contrary, the billing dept. Of bsnl, deliberately, skipped the application of the special discount of rs.10/- on the gross bill amount. When this malpractice was brought to their knowledge, now bsnl say that the discount announced
Earlier is not applicable to the monthly bills paid thro' ecs, which exposes their real intention of cheating the public.in the recent years, all public sector undertakings have become more & more corrupted and bsnl,
Railways and postal depts. Top among others. The concerned ministries are inefficient in checking any kind of corruptions. The higher authorities
Should look into the matters of grave concern and check corruptions in all forms and levels. Will they?