1. विद्युत धारा - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!
2. ऊष्मा (Heat) Part-1 - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!
3. ऊष्मा (Heat) Part-2 - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!
4. ऊष्मा (Heat) Part-3 - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!
5. प्रकाश (Light) Part-1 - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!
6. प्रकाश (Light) Part-2 - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!
7. प्रकाश (Light) Part-3 - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!
8. प्रकाश (Light) Part-4 - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!
9. ध्वनि (sound) Part-1 - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!
10. गति (Motion) Part-1 - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!
11. गति (Motion) Part-2 - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!
12. गति (Motion) Part-3 - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!
13. गुरुत्वाकर्षण (Gravitation) Part-1 - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!
14. कार्य, शक्ति तथा उर्जा (Work, Power and Energy) - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!
15. तरंग (Wave) - Paid Class-Content Locked!	Locked! Locked! Locked! Locked!