The best replacement for airtel is vodafone.

The best alternatives to airtel are rated as following:
★★★★★  vodafone
★★★★  idea
★★★  tata sky
★★★  aircel
★★★  bsnl
★★  vodafone 3g
★★  docomo
★★  bsnl broadband
★★  reliance
★  videocon d2h
★  hutch
★  vodafone which is better
★  dish tv
★  docomo which is better
★  vodafone network
★  tata docomo
  vodafone in india
  tata photon
  vodafone which is best
  vodafone plans
  aircel which is best
  videocon dth
  idea better
  reliance broadband
  reliance 3g
  tata sky which is better
  act broadband
  vodafone bangalore
  bsnl 3g

Your alternative for airtel is not listed? Suggest!
Speaking about airtel, one probably shouldn't forget about iphone.

Other search terms related to airtel and their ratings are:

★★★★★ iphone
★★★★ 5c
★★★ blackberry offer
★★★ blackberry services
★★★ free facebook
★★★ iphone 5s scheme
★★★ iphone scheme
★★ nokia 108
★★ nokia offer
pd proxy
internet facebook
apple iphone 5
nokia c3
free sms
apple iphone
You have in mind a companion for airtel and it is not yet here? Propose!

Google Trends

Scale is based on the average worldwide traffic of airtel in all years. Click on graph for more.