I understand you're looking for a PowerPoint presentation (PPT) for Programming in C by Reema Thareja, and you've asked for a "paper" — but these are two different things. Let me clarify:
Understanding memory allocation, pointer arithmetic, and data structures through flowcharts. Programming In C Reema Thareja Ppt Free Download
This section focuses on data organization. The PPTs explain: I understand you're looking for a PowerPoint presentation