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| S.No | File Name | Description | Amount | Code |
| 1 | electrostatics.pdf | notes of ch1 physics class 12 cbse electrostatics | 5/- | cb_12_ph_nt_1 |
| 2 | electricity.pdf | notes of ch1 physics class 10 cbse electricity | 5/- | cb_10_ph_nt_1 |