c1 to c2 promotion

Hahha 3.3 years saal mujhe bhi ho gaya promotion chapluso ka hota h sirf or jisko manager like karta ho jaise manger se low confidence banda , kapde purane pehnta ho jispa manger ko chatwane k saath saath daya bhi aati ho

Yes, you can ask your manager to initiate the process after completing 3 years. The process has zero visibility and your manager and supervisor can and will give you reasons why it didn't go through. If they have dependency on you then it will happen otherwise you never know.