INSTA Revision Modules for Prelims INSTA Revision Modules for Prelims 2023 (PDF Files) INSTA Revision Modules for Prelims 2022 (PDF Files) INSTA Revision Modules for Prelims 2021 INSTA Revision Modules for Prelims 2020 Insights Revision Modules for Prelims 2019 Insights Revision Modules for Prelims 2018 PRELIMS 2017 REVISION MODULES
