When will offcampus hiring for 2024 will takes place.

Please tell me when will the offcampus hiring takes place means any particular months.i am a 2024 graduate who did not placed in oncampus and don't have any idea about offcampus hiring.Graduated from nit giving more stress from society for not having job please help me with this if you give me any suggestions to get placed in offcampus.any openings too i am open too sde roles,data analyst,ml engineering.