Form IMM 5669 Background Declaration Form , in Point 7 Education.
Describe like this :-
From 1997-07 To 2002-04 (For class 6th to 10th, write together), Name of Institution - just write the name of the school studying 10th class, if the schools are different then) -Place ........., Type of Certificate - N.A. Gr. G-10, Field of Study - Sec. Education
Details of Higher secondary and all Degrees after that step vise step.
In job history section, you must show your all job details. Here they want to know about Applicant's background/activities after education. Start writing from present job.