While direct, high-quality full PDF downloads of copyrighted textbooks are often restricted to protect intellectual property, you can find high-quality Bengali versions of Quantitative Aptitude
Offers chapter-wise solved papers which are great for understanding exam patterns. Subir Das (Arithmetic):
: Curated practice sets for WBP and Kolkata Police exams are available on document-sharing platforms like Core Topics Covered
The high-quality Bengali version of by Dr. R.S. Aggarwal is widely considered the standard resource for aspirants preparing for exams like WBCS, SSC, Railways, and Banking. Key Resources for Quantitative Aptitude (Bengali)
