Please read the following table in HTML format from a webpage and then answer the question in detail according to the table. Each table cell is defined by a <td> and a </td> tag. Each table row starts with a <tr> and ends with a </tr> tag. 'rowspan=m' and 'colspan=n' represents a cell spaning over 'm' rows and 'n' columns.

Webpage title:
List of governors of Sikkim
Table title:
Governors of Sikkim
Table:
<table id='hittask' contenteditable='False'>
<tr> <td colspan=1 rowspan=1 > # </td><td colspan=1 rowspan=1 > Name </td><td colspan=1 rowspan=1 > Took Office </td><td colspan=1 rowspan=1 > Left Office </td></tr>
<tr> <td colspan=1 rowspan=1 > 1 </td><td colspan=1 rowspan=1 > B.B. Lal </td><td colspan=1 rowspan=1 > 16 May 1975 </td><td colspan=1 rowspan=1 > 9 January 1981 </td></tr>
<tr> <td colspan=1 rowspan=1 > 2 </td><td colspan=1 rowspan=1 > Homi J. H. Taleyarkhan </td><td colspan=1 rowspan=1 > 10 January 1981 </td><td colspan=1 rowspan=1 > 17 June 1984 </td></tr>
<tr> <td colspan=1 rowspan=1 > 3 </td><td colspan=1 rowspan=1 > Kona Prabhakar Rao </td><td colspan=1 rowspan=1 > 18 June 1984 </td><td colspan=1 rowspan=1 > 30 May 1985 </td></tr>
<tr> <td colspan=1 rowspan=1 > 4 </td><td colspan=1 rowspan=1 > Bhishma Narain Singh (additional charge) </td><td colspan=1 rowspan=1 > 31 May 1985 </td><td colspan=1 rowspan=1 > 20 November 1985 </td></tr>
<tr> <td colspan=1 rowspan=1 > 5 </td><td colspan=1 rowspan=1 > T.V. Rajeswar </td><td colspan=1 rowspan=1 > 21 November 1985 </td><td colspan=1 rowspan=1 > 1 March 1989 </td></tr>
<tr> <td colspan=1 rowspan=1 > 6 </td><td colspan=1 rowspan=1 > S.K. Bhatnagar </td><td colspan=1 rowspan=1 > 2 March 1989 </td><td colspan=1 rowspan=1 > 7 February 1990 </td></tr>
<tr> <td colspan=1 rowspan=1 > 7 </td><td colspan=1 rowspan=1 > Radhakrishna Hariram Tahiliani </td><td colspan=1 rowspan=1 > 8 February 1990 </td><td colspan=1 rowspan=1 > 20 September 1994 </td></tr>
<tr> <td colspan=1 rowspan=1 > 8 </td><td colspan=1 rowspan=1 > P. Shiv Shankar </td><td colspan=1 rowspan=1 > 21 September 1994 </td><td colspan=1 rowspan=1 > 11 November 1995 </td></tr>
<tr> <td colspan=1 rowspan=1 > 9 </td><td colspan=1 rowspan=1 > K.V. Raghunatha Reddy (additional charge) </td><td colspan=1 rowspan=1 > 12 November 1995 </td><td colspan=1 rowspan=1 > 9 February 1996 </td></tr>
<tr> <td colspan=1 rowspan=1 > 10 </td><td colspan=1 rowspan=1 > Chaudhary Randhir Singh </td><td colspan=1 rowspan=1 > 10 February 1996 </td><td colspan=1 rowspan=1 > 17 May 2001 </td></tr>
<tr> <td colspan=1 rowspan=1 > 11 </td><td colspan=1 rowspan=1 > Kidar Nath Sahani </td><td colspan=1 rowspan=1 > 18 May 2001 </td><td colspan=1 rowspan=1 > 25 October 2002 </td></tr>
<tr> <td colspan=1 rowspan=1 > 12 </td><td class="highlighted"  colspan=1 rowspan=1 > V. Rama Rao </td><td class="highlighted"  colspan=1 rowspan=1 > 26 October 2002 </td><td colspan=1 rowspan=1 > 12 July 2006 </td></tr>
<tr> <td colspan=1 rowspan=1 > 13 </td><td colspan=1 rowspan=1 > R.S. Gavai (acting) </td><td colspan=1 rowspan=1 > 13 July 2006 </td><td colspan=1 rowspan=1 > 12 August 2006 </td></tr>
<tr> <td colspan=1 rowspan=1 > 14 </td><td class="highlighted"  colspan=1 rowspan=1 > V. Rama Rao </td><td colspan=1 rowspan=1 > 13 August 2006 </td><td class="highlighted"  colspan=1 rowspan=1 > 25 October 2007 </td></tr>
<tr> <td colspan=1 rowspan=1 > 15 </td><td colspan=1 rowspan=1 > Sudarshan Agarwal </td><td colspan=1 rowspan=1 > 25 October 2007 </td><td colspan=1 rowspan=1 > 8 July 2008 </td></tr>
<tr> <td colspan=1 rowspan=1 > 16 </td><td colspan=1 rowspan=1 > Balmiki Prasad Singh </td><td colspan=1 rowspan=1 > 9 July 2008 </td><td colspan=1 rowspan=1 > 30 June 2013 </td></tr>
<tr> <td colspan=1 rowspan=1 > 17 </td><td colspan=1 rowspan=1 > Shriniwas Dadasaheb Patil </td><td colspan=1 rowspan=1 > 1 July 2013 </td><td colspan=1 rowspan=1 > 26 August 2018 </td></tr>
<tr> <td colspan=1 rowspan=1 > 18 </td><td colspan=1 rowspan=1 > Ganga Prasad </td><td colspan=1 rowspan=1 > 26 August 2018 </td><td colspan=1 rowspan=1 > Incumbent </td></tr>
</table>
Question:
How long did V Rama Rao serve as governor?
Answer:
V Rama Rao served as governor of Sikkim from 2002-2007.