The National Film Award (Silver Lotus Award) - Best Non-Feature Environment/Conservation/Preservation Film winners:
| Year | Film | Director | Language |
|---|---|---|---|
| 2009 | Jianta Bhoota | Prashanta Nanda | Oriya |
| 2005 | ' | ||
| 2004 | ' | ||
| 2003 | Urumattram | B. Sivakumar | Tamil |
| 2002 | ' | ||
| 2001 | The Nest | English | |
| 2000 | ' | ||
| 1999 | Willing to Sacrifice | B.V. Rao | English |