I applied online. The process took 2 months. I interviewed at Merck in Feb 2020
Interview
5 rounds
Technical-1 (General
Technical-2( Case study)
Technical-3 (Site Head or Functional Head)
HR-4 (General)
HR-5 (Salary discussion)
overall interview would be done one after the other steps as mentioned above , technical round would be deciding
One round during Super Week, panel interview with four people, didn't hear anything back for months and then one day received an offer. Offer ended up getting delayed 6 months due to company restructuring