I applied in-person. The process took 5 weeks. I interviewed at Tata Docomo (Mumbai) in May 2017
Interview
You should have experince as Customer Service Representative space, you should have prior experience in Telecom may be with airtel or Jio
1st round they you go with resume they ask you a lot of question
2nd rounf after you pass 1st round site manager interview
3rd round they ask about salary expectation