Prelims
- Hyperspectral Imaging Satellite (HySIS)
- Polar Satellite Launch Vehicle (PSLV)
- UNESCO’s list of Intangible Cultural Heritage
- Topicwise Notes for entire UPSC Syllabus. Check WikiIAS
- Best Test Series for UPSC Prelims. Check MCQ Factory
- Self Study Plans for UPSC Prelims. Check Self Study Plans