- Lesson 48 ----- Introduction to Sandhi.(Introduction to Sandhi.)
- Lesson 48 A --- Exercises with सवर्णदीर्घसन्धिः(Exercises with सवर्णदीर्घसन्धिः)
- Lesson 48 B --- Answers to Lesson 48 A. (Answers to Lesson 48 A. )
- Lesson 49 ----- गुणसन्धिः( गुणसन्धिः)
- Lesson 49 A --- Exercises with गुणसन्धिः(Exercises with गुणसन्धिः)
- Lesson 49 B --- Answers to Lesson 49 A.( Answers to Lesson 49 A.)
- Lesson 50 ----- वृद्धिसन्धिः( वृद्धिसन्धिः)
- Lesson 50 A ---- Exercises with वृद्धिसन्धिः(Exercises with the वृद्धिसन्धिः)
- Lesson 50 B --- Answers to Lesson 50 A, and summing up Month 11(Answers to Lesson 50 A.)