Hello,
Both UPSC and Judicial Service Exams are highly competitive, in case of UPSC the pattern is fixed, it's conducted in three stages namely Prelims, Mains and Interview, while in case of state judicial exams the pattern, marking scheme, syllabus varies from state to state. In case of UPSC the syllabus of GS to a large extent overlap with law as an optional subject in UPSC, hence it helps a lot, UPSC has an option of both hindi and english medium, while state judicial services have compulsory local language paper, you can definitely pursue two exams simultaneously it's just that you have to first of all go through the syllabus to know what to read and skip, your study materials should be limited(empathize more on reading a book many times instead of having many books one time), make a timetable, accordingly devote the number of hours assigned to subjects, go through previous year paper, analyze your your areas of strength and weakness, these exams are quite tough, hence do take care of your health as well, these require immense focus, dedication and perseverance.
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