| 1967-68 |
President, Bharatiya Jan Sangh Khadia Ward Booth Samiti |
| 1968-80 |
Member, Working Committee, Jana Sangh, Gujarat |
| 1975-80 |
Member, National Council, Bharatiya Jan Sangh |
| 1975-92 |
Elected Carporator, Municipal Corporation, Ahmedabad (for 3 Consecutive terms-17 years) |
| 1980 onwards |
Member, Working Committee, Bharatiya Janata Party (B.J.P.), Gujarat |
| 1982-83 |
President, Bharatiya Janata Yuva Morcha, Gujarat |
| 1987-90 |
Chairman, Municipal Transport Committee, Ahmedabad |
| 1989 |
Elected to 9th Lok Sabha |
| 1990-91 |
Member, Committee on Estimates;Member, Consultative Committee, Ministry of Textiles |
| 1991 |
Re-elected to 10th Lok Sabha (2nd term) |
| 1991-93 |
President, B.J.P., Ahmedabad |
| 1992-94 |
Member, Joint Parliamentary Committee to enquire into irregularities in security and banking transactions ;Member, Consultative Committee, Ministry of Chemicals and Fertilizers |
| 1995-96 |
Member, Committee on Finance |
| 1996 |
Re-elected to 11th Lok Sabha (3rd term) |
| 1996-97 |
Member, Committee on Communications ;Member, Consultative Committee, Ministry of Information and Broadcasting |
| 1998 |
Re-elected to 12th Lok Sabha (4th term) ;Whip, B.J.P. Parliamentary Party, Lok Sabha |
| 1998-99 |
Chairman, Committee on Labour and Welfare;Member, General Purposes Committee |
|
;Member, Consultative Committee, Ministry of Civil Aviation ;Member, Committee on Personnel, Public Grievances Law and Justice;Member, General Purposes Committee;Chairman, Committee on Government Assurances |
| 1999 |
Re-elected to 13th Lok Sabha (5th term) |
| 13 Oct. 1999-11 Nov. 2000 |
Union Minister of State, Defence Production and Supplies |
| 15 Oct. 2001-28 Jan. 2003 |
Union Minister of State, Department of Defence Production and Supplies |
| 29 Jan. 2003-11 Feb. 2003 |
Union Minister of State, Ministry of Home Affairs |
| 12 Feb. 2003-May 2004 |
Union Minister of State, Home Affairs with additional charge of Personnel, Public Grievances and Pensions and Law and Justice |
| 18 May 2004 |
Re-elected to 14th Lok Sabha( 6th term);Member, House Committee
Member, Consultative Committee, Ministry of Commerce and Industry |
| 2004 onwards |
Member, National Executive, B.J.P. |
| 5 Aug. 2007 |
Member, Committee on Personnel, Public Grievances, Law & Justice |
| 17 May 2009 |
Re-elected to 15th Lok Sabha (7th term) |
| 9 Jun. 2009 |
Member, House Committee |
| 31 Aug. 2009 |
Member, Committee on Personnel, Public Grievances, Law and Justice, Rajya Sabha |
| 16 Sep. 2009 |
Member, Consultative Committee, Ministry of Commerce and Industry |
| 23 Sep. 2009 |
Chairman, Committee on Papers Laid on the Table |
| 19 Oct. 2009 |
Member, General Purpose Committee |
| 20 Oct. 2009 |
Member, Committee on Food Management in Parliament House Complex |
| 21 Jan. 2010 |
Member, Hindi Salahakar Samiti for the Department of Telecommunications |
| Apr. 2010 |
Elected President, First Contact Group Meeting on Parliamentarians for Education in the UNESCO, New Delhi Cluster Countries-India Bangladesh, Bhutan, Nepal, Sri Lanka & Maldives |
| 26 Jul. 2010 |
Nominated as Vice-President, India-China Parliamentary Friendship Group |
| 16 Sep. 2010 |
Member, India-Spain Parliamentary Friendship Group |
| 3 Dec. 2010 |
Member, India-Morocco Parliamentary Friendship Group |
| 4 Mar. 2011 |
Member, Joint Committee to Examine Matters Relating to Allocation and Pricing of Telecom License and Spectrum |
| 15 Jun. 2011 |
Member, Press Council of India |
