Two of the major Value Added Services offered by Tata Docomo are Call Me tunes and My song.

Call Me tune is the name of callertune service from TATA Docomo that plays the music of your choice for people who call you on your Docomo number.

Activation Procedure & Charges:

Call me tunes can be set by calling 543211 at 5 paise/sec. The charges for the call me tune is Rs.30 per month and songs are charged at Rs.15 per song.
Daily rental plan:
With this plan, you just need to pay a daily rental of Re.1 as your subscription charges and download song for Rs.15.Call 54321121 at 5p/sec or dial toll free numbers of *141# or *678#
Unlimited free songs:
Download unlimited songs for your caller tune by calling 543211 at 5p/sec and subscription charges of Rs.10 per week.
Festival bonanza offer:
In this offer, subscription charges will be only Rs.15 per month for the first 3 months and Rs.30 from the fourth month onwards. Call 54321136 @ 5 paise/sec with the first 30 seconds free and song downloading charges is Rs.15 per song.

TATA Docomo Caller Tune Codes:

Unlike other service providers, there are no caller tune codes for TATA Docomo customers, but yes, you can search for desired song online, listen to it and directly activate the same on your Docomo number by logging into your id (need to create for the first time).

Various other ways of setting Call Me Tunes:

Tata Docomo is probably the only service provider to offer these many ways of setting call me tunes and here is a list of them.

Search a Song:
Just dial 543215 and mention the name of the song or movie of your choice. There are over 75000 songs to choose from over here.
Your customized Bollywood song:
With Tata Docomo, you can personalize any song by changing its lyrics and then download the song as your caller tune. For example you can change the song ‘kabhi kabhi aditi zindagi’ to the name of your girl friend, say “kabhi kabhi Shiela zindagi’ or any other name and then download the caller tune.
User generated/recorded callertune:
In this option, you can personalize your caller tune by calling 54321100 and recording your own voice.
Funny portal:
Set something humorous as your call me tune by dialing 5432112 for funny tunes
Cricket scores:
Set live cricket commentary as your Docomo callertune by dialing 54321103.
Top 10:
Call 5432110 to set top 10 songs as your call me tunes.
Name tunes:
Put your own name and personalized message as your caller tune.Just SMS ‘FIRST NAME’ to 52100 (Toll Free).Subscription charges are Rs.30/Month and Downloading cost is Rs.15/90 Days.