Below are the complete list of customer care number of all Mobile networks in India which are very useful if you want to information. I also provide Emails and complaints section.

Customer care

Customer Care Number of Airtel
For Airtel Prepaid & Postpaid :
Dial 121
For AP dial 9849098490

Email : 121@in.airtel.com

Customer Care Number of Idea
Idea Customer care number: 12345
For Complaints : 198
Toll Free Number : 18002700000

Email : ccare@idea.adityabirla.com, ccare.ap@idea.adityabirla.com

Customer Care Number of Aircel
Aircel Customer care Number:
For Prepaid and Postpaid :
Dial 121 for CC
For Complaints : 198
From other mobiles dial 9700012345

Email : care@aircel.co.in,care.andhrapradesh@aircel.co.in

Customer Care Number of Vodafone
Vodafone customer care dial 111 or 9885098850 charges 50ps/3 mins
For Complaints : 198

Email : vodafonecare@vodafone.com,vodafonecare.ap@vodafone.com

Customer Care Number of Reliance
For Reliance postpaid:

Dial *222 from Reliance network
Others Dial 30334343

For Reliance Prepaid :

Dial *333 from Reliance network
Others Dial 30333333

Email : customercare@relianceada.com

Customer Care Number of Tata Docomo
Dial 121 for customer related queries and all
For others and all Toll free number 1860-266-5555

Customer Care Number of BSNL
Dial 9440024365, 9422024365
Dial 1504 Toll free
Dial 18003451504 others

Customer Care Number of Uninor
Uninor customer care number dial 121 from Uninor mobiles
From other mobiles for Uninor Customer care dial 9059090590
For Complaints dial 198

Email : care@uninor.in

Customer Care Number of Virgin
Virgin mobile customer care number, dial 1800-266-0011
Customer Care Number dial 125999 (Toll Free)
For Balance Enquiry dial 125555

Email : care@virginmobile.in

Customer Care Number of MTS
Dial 155 for MTS customer care
If dialing from other mobiles for MTS Customer care dial 9133-155-155

Email : customercare.ap@mtsindia.in