History of NCS
| Date | Events | Number of members |
| 2037 Chaitra 26 Chaitra 27 | Inaguaration of NCS: 1st AGM Chemistry Symposium |
109 |
| 2038 Chaitra 26 Chaitra 27 | Inaguaration of NCS: 2nd AGM Chemistry Symposium |
78 |
| 2039 Chaitra 27 | Inaguaration of NCS: 3rd AGM Chemistry Symposium |
87 |
| 2040 Chaitra 22 | Inaguaration of NCS: 4th AGM Chemistry Symposium |
89 |
| 2041 Chaitra 19 - Chaitra 20 |
Inaguaration of NCS: 5th AGM Chemistry Symposium |
110 |
| 2042 Chaitra 28 Chaitra 29 |
Inaguaration of NCS: 6th AGM Chemistry Symposium |
175 |
| 2043 Chaitra 29 | Inaguaration of NCS: 7th AGM Chemistry Symposium |
208 |
| 2044 Chaitra 25 Chaitra 26 |
Inaguaration of NCS: 8th AGM Chemistry Symposium |
240 |
| 2045 Chaitra 28 | Inaguaration of NCS: 9th AGM Chemistry Symposium |
146 |
| 2046 Poush - | Regional Workshop | - |
| 2047 Jestha 4 | Inaguaration of NCS: 10th AGM Chemistry Symposium |
179 |
| 2047 Chaitra 30 | Inaguaration of NCS: 11th AGM Chemistry Symposium |
175 |
| 2048 Chaitra 30 | Inaguaration of NCS: 12th AGM Chemistry Symposium |
180 |
| 2049 Chaitra 30 | Inaguaration of NCS: 13th AGM Chemistry Symposium |
144 |
| 2050 Chaitra 19 Chaitra 17,18,19 |
Inaguaration of NCS: 14th AGM International Seminar on Water & Environment |
139 |
| 2051 Chaitra 30 | Inaguaration of NCS: 15th AGM Chemistry Symposium |
155 |
| 2052 Chaitra 30 | Inaguaration of NCS: 16th AGM Chemistry Symposium |
160 |
| 2053 Chaitra 30 | Inaguaration of NCS: 17th AGM Chemistry Symposium |
180 |
| 2054 Chaitra 30 | Inaguaration of NCS: 18th AGM Chemistry Symposium |
105 |
| 2056 Jestha 27 Jestha 28 |
Inaguaration of NCS: 19th AGM Chemistry Symposium “National Symposium on Pesticides” |
135 |
| 2057 Jestha 12 | Inaguaration of NCS: 20th AGM National Workshop on Organic Microscale experimental Techineques 2001 |
120 |
| 2058 Chaitra 7 | Inaguaration of NCS: 21st AGM Chemistry Symposium |
150 |
| 2061 Shrawan 30 | Inaguaration of NCS: 22nd AGM Chemistry Symposium |
150 |
| 2063 Bhadra 31
Poush 23-29 |
Inaguaration of NCS: 23rd AGM Chemistry Symposium National Workshop on Basic Phytochemical Techniques |
350
50 |
| 2064 Jesth 31-Ashadh 1 Ashoj 12 |
National Workshop on Structural Elucidation of Chemical Compounds. Inaguration of 24th AGM Chemistry Symposium |
- |
