I Applied through college. The process took 2 days. I interviewed at CMR college (Hyderabad)
The selection process of ibm are very simple. It have three rounds
1.aptitude and number series
2.Business english
3.HR(both tr and hr in one round)
The candidates should carry all the documents from 10th to highest degree certificates and also one government id like Aadhar card or PAN card. They must carry all these documents otherwise they won't allow you to take test.