Expected salary

Hello, I have 2.6 years of industry experience with sap basis as my primary skill , although I haven't worked on relevant tasks in my last project (service desk associate) I'm learning essential Basis consultant tasks along with Hana DB and experience, currently I'm at level 11 with fixed CTC 5.25 , I'm looking for a switch, what shall I expect in terms of salary as I'm hearing many are getting rejected wrt salary negotiation.