Mobile Looting / Shame on you Tata Docomo

Mobile companies are looting its customers by trapping them to choose their junk (unwanted) services. Most of the victims are prepaid customers. Its actually a clever trap. A kind of USSD (Unstructured Supplementary Service Data) message comes to your mobile phone with an “OK” and “Cancel” options.

Here is the message

PICK of the DAY!Click OK to ACTIVATE or press exit to CANCEL.Rs30/month


There is no confirmation questions. If you press the OK button by mistake, there is no recalls. Your money is lost.

Most probably you may not get any voice indications when such a message comes. I still don’t know what kind of messages are these. Are they USSD / Push or something other? God knows! After a while, when you take your phone and unlock the keypad, without knowing the trap, you may have accidentally okay-ed to that message. You will get a notification message just as follows:

Hi! You will now receive Live Astrology on your phone. You have been charged Rs. 30 for next 30 days. To Stop alerts, SMS STOP LA to 54321

So Rs. 30/- has already been debited from your account. Hundreds of thousands of customers are looted  daily in this way. Just drop into a Tata Docomo Store, you’ll see that majority of the customers come to the store only to raise such complaints. In many other occasions, even without an accidental key press, you may lose money for such unsolicited services.

Yesterday (Sunday, 25 August 2013) I got such an experience in one of my prepaid mobile phones. The name of the unsolicited service was Dus Bahane. I got the following message.:

Hi! You will now receive Dus Bahane alerts on your phone. You have been charged Rs. 10 for next 7 days. To Stop alerts, SMS STOP DB to 54321

Dus Bahane

Dus Bahane alert is nothing but a collection of  damn ‘deprecated’ jokes.

I called to the Tata Docomo customer care from a post paid phone. It was their reply that they cannot fix the complaints for Prepaid customers. Instead I have to call another toll free number – 18602665555. Well, I called that number instantly, the customer care executive lady received the call and after I presented my complaint, the line was hung up without any notification. I tried at least 12 times after that, but all those customer care dudes were too busy attending other calls. So I decided to complaint through email.

Here is the mail

Sub: Please remove the unwanted service and return money.
Ref: Mobile number : 1234567890

Dear Sir,

I have been debited Rs. 10/- today for an alert service named “Dus Banana Alert” which I have not requested by any means. Hence I request you to credit back Rs. 10 and deactivate the so called service as earliest as possible. I do not want any such junk services hereafter. Please deactivate such service offers in my mobile to prevent such instances in future.

My name.
Alternate Number : 9876543210

I Send the mail to the following mail ids:,

I haven’t got any email replies from them; instead I got their SMS after one hour at last, stating that :

Hi! Thanks for sharing your balance related concern with us. An amount of Rs. 10 has credited to your account.


I am pretty sure there weren’t any intervention has been done from my side in this case. So I got the money back. If I pressed the OK button anyway, damn sure I wont get my money back..

Anyone can get back the lost money by calling the customer care by demanding our money back. Or if customer care is not accessible, send an email to the customer care and appellate cell. But many customers won’t take much efforts to get back their money. These robbers loot the money of poor customers in a large scale. Imagine how much money can they loot @ Rs. 10 from a one-hundred-thousand people?

However the unsolicited service is not still terminated. I will raise another complaint to stop that service. Wondering why TRAI ignores such day light robbery done by the mobile companies.

Tail piece

Its 10th October 2013 today.

At least one and a half months after this post has been published, today I read a news in some leading news portals that finally TRAI has pushed a new regulation to control against this day light robbery. Now subscribers can complaint against the unwanted services. Here is the news:

TRAI launched, or rather forced operators to introduce a common number which works across different networks, and which can be used to stop unwanted services. Mobile users can now dial 155223 from anywhere in India to deactivate. We tried this service using phone numbers from different operators in Bangalore and Mumbai, and consistently found that the IVR was prompt. – See more at:

Now that’s a real good move. Please copy the number in your mobile right now – 155223. But still there is no action has been done against the trapping nature of the messages sent by the company. Either the subscriber get the option to reject all such messages (not DND, if someone activated it, he losses many online services right now) or there must be a confirmation option should be included if the subscriber accidentally clicked OK button.


New post with Android app

Just searching for an Android app for WordPress blog. To my surprise there was an app with gnu gpl v2 license. It’s so easy to manage a blog. Great ui and fine navigation, it’s really really great. From now on I can post while I travel 🙂

Edge speed table

All About Edge/Gprs multislot classes

When buying a phone with GPRS/EDGE modem, you have to have a clear idea on the GPRS/EDGE multi classes. There are 17 classes in GPRS/EDGE system. If your requirement is basic you can go with GPRS/EDGE Class 10. If you need something to do with content uploads, class 10 will not sufficient, you need either Class 12/11/32/33 or 34. Ideally for uploads Class 12 is the cost effective option. You will get a clear picture on which model to choose on the basis of the tables below.  Most of the websites explain the speed of GPRS / EDGE in Time Slots. One Time Slot is equal to 59.2 Kilo Bits. Based on this calculation there are 3 tables.

  1. Timeslot table
  2. Kilobits table
  3. Kilobytes table

GPRS/EDGE Timeslot table

Multislot Class Downlink TS Uplink TS Active TS
1 1 1 2
2 2 1 3
3 2 2 3
4 3 1 4
5 2 2 4
6 3 2 4
7 3 3 4
8 4 1 5
9 3 2 5
10 4 2 5
11 4 3 5
12 4 4 5
30 5 1 6
31 5 2 6
32 5 3 6
33 5 4 6
34 5 5 6

GPRS/EDGE Kilobits table

Bandwidth is measured in Kilobits always. Eight bits are one byte. So if your ISP offer you a 1 MBPs speed, it means that you will get a download rate in 1024 divided by 8, which is 128 KiloBytes.

Multislot Class Downlink/Kbits Uplink/Kbits Active/Kbits
1 59.2 59.2 118.4
2 118.4 59.2 177.6
3 118.4 118.4 177.6
4 177.6 59.2 236.8
5 118.4 118.4 236.8
6 177.6 118.4 236.8
7 177.6 177.6 236.8
8 236.8 59.2 296
9 177.6 118.4 296
10 236.8 118.4 296
11 236.8 177.6 296
12 236.8 236.8 296
30 296 59.2 355.2
31 296 118.4 355.2
32 296 177.6 355.2
33 296 236.8 355.2
34 296 296 355.2

EDGE/GPRS Kilobytes table

If you download something over internet, your browser (such as Firefox / Chrome / internet explorer etc. ) will show the file transfer rate in Kilobytes.

Multislot Class Downlink KBytes Uplink Kbytes Active Kbytes
1 7.4 7.4 14.8
2 14.8 7.4 22.2
3 14.8 14.8 22.2
4 22.2 7.4 29.6
5 14.8 14.8 29.6
6 22.2 14.8 29.6
7 22.2 22.2 29.6
8 29.6 7.4 37
9 22.2 14.8 37
10 29.6 14.8 37
11 29.6 22.2 37
12 29.6 29.6 37
30 37 7.4 44.4
31 37 14.8 44.4
32 37 22.2 44.4
33 37 29.6 44.4
34 37 37 44.4

One and only Android smart phone that does not violate GPL

Its ZaTab. It may not be so popular. But the company claims that they provide 100% pure codes in Android without violating the GPL terms. If it is so, its a great thing. Rejoice! The kingdom of Freedom finally came in the smartphone market too.

Company’s website claims as follows:

The only tablet on the market that doesn’t violate the GPL! Yay!  (You get the source code with the machine, not months later, if at all.)

Here is the Specs of ZaTab.


  • Pure Android
  • Allwinner A10 SoC
  • 9.7″ IPS 1024×768 display
  • 5 point capacitive touchscreen
  • 16 GB internal storage + microSD for additional storage
  • 1 GB RAM
  • WiFi (802.11 b/g/n)
  • Front and Back cameras
  • Sturdy metal back
  • High-capacity 8000 mAh battery
    • 9 hours battery life playing 3D games
    • 14 hours battery life watching videos
  • Ultra-light 630 grams


  • Headphone
  • microSD card slot
  • microHDMI video out
  • 2x microUSB ports

Package includes:

  • Tablet
  • AC Adapter
  • USB Cable
  • User Manual
  • Source Code

Cost of the tab is $ 349 (Rs. 18700 aprox.) as of 12 May 2012. Please refer more details from the official page of the company