How can I prepare for SBI Clerk while working a full-time job?

It is doable, but plan for a longer runway. With a job, you get roughly half the study hours of a full-time aspirant, so allow 4-5 months for a first serious attempt.

A working week

Rules that help working candidates

• Do the hardest subject before work. Most people have more focus in the morning than after office hours.
• Cut low-yield topics early. Rare topics like input-output or permutation can wait until your core sections are stable.
• Use short gaps for GA. GA is fact-based and works well in 10-15 minute pieces.
• Keep one rest evening a week. Burnout is the real risk when you combine a job and exam preparation.

Leave around the exam

If you can, save leave for the week before Prelims and the two weeks before Mains. Those are the weeks when daily mocks and revision matter most.

What to cut and what to keep

Keep the things that build speed: the daily calculation drill, puzzle sets and one RC passage. Cut what eats time without adding marks: long video lectures (read the notes instead, or watch at higher speed), several books for the same topic, and study groups that only forward files. On tiring days, do your minimum (for example 30 questions) rather than skipping completely.