List of Members of Thirteenth Lok Sabha From 10th October 1999 to 6th February 2004
| Sr. No. | Member Name | Gender | Constituency Name | State Name | Party Name |
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| 136. | Shri Baju Ban Riyan | Male | Tripura East | Tripura | Communist Party of India (Marxist) |
| 137. | Shri Bal Krishna Chauhan | Male | Ghosi | Uttar Pradesh | Bahujan Samaj Party |
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| 138. | Shri Balarama Krishna Murthy Karnam | Male | Ongole | Andhra Pradesh | Telugu Desam Party |
| 139. | Shri Balasaheb Vikhe Patil | Male | Kopargaon | Maharashtra | Indian National Congress |
| 140. | Shri Balbir Singh | Male | Jullundur | Punjab | Indian National Congress |
| 141. | Shri Baliram Kashyap | Male | Bastar | Chhattisgarh | Independent |
| 142. | Shri Balram Singh Yadav | Male | Mainpuri | Uttar Pradesh | Samajwadi Party |
| 143. | Shri Bandaru Dattatreya | Male | Secunderabad | Andhra Pradesh | Bharatiya Janata Party |
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| 144. | Shri Basangouda Patil | Male | Bijapur | Karnataka | Bharatiya Janata Party |
| 145. | Shri Basudeb Acharia | Male | Bankura | West Bengal | Communist Party of India (Marxist) |
| 146. | Shri Beni Prasad Verma | Male | Gonda | Uttar Pradesh | Indian National Congress |
| 147. | Shri Bhal Chandra Yadav | Male | Khalilabad | Uttar Pradesh | Bahujan Samaj Party |
| 148. | Shri Bhan Singh Bhaura | Male | Bhatinda-SC | Punjab | Communist Party of India |
| 149. | Shri Bhartruhari Mahtab | Male | Cuttack | Odisha | Biju Janata Dal |
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| 150. | Shri Bhaskar Rao Patil | Male | Nanded | Maharashtra | Indian National Congress |