List of Members of Fourth Lok Sabha From 4th March 1967 to 27th December 1970
| Sr. No. | Member Name | Gender | Constituency Name | State Name | Party Name |
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| 346. | Shri Nihal Singh | Male | Chandauli | Uttar Pradesh | Samyukta Socialist Party |
| 347. | Shri Nihar Ranjan Laskar | Male | Karimganj-SC | Assam | Congress |
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| 348. | Shri Niral Enem Horo | Male | Khunti-ST | Bihar | Independent |
| 349. | Shri Nuggehalli Shivappa | Male | Hassan | Mysore | Swatantra Party |
| 350. | Shri Om Prakash Tyagi | Male | Moradabad | Uttar Pradesh | Jan Sangh |
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| 351. | Shri Onkarlal Berwa | Male | Kota | Rajasthan | Jan Sangh |
| 352. | Shri Onkarlal Bohra | Male | Chittorgarh | Rajasthan | Congress |
| 353. | Shri P. Gopalan | Male | Tellicherry | Kerala | Communist Party(Marxist) |
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| 354. | Shri P. Ramamurti | Male | Madurai | Madras | Communist Party(Marxist) |
| 355. | Shri P. Sivasankaran | Male | Sriperumbudur-SC | Madras | Dravida Munnetra Kazhagam |
| 356. | Shri P. Viswambharan | Male | Trivandrum | Kerala | Samyukta Socialist Party |
| 357. | Shri P.A. Saminathan | Male | Gobichettipalayam | Madras | Dravida Munnetra Kazhagam |
| 358. | Shri P.C. Adichan | Male | Adoor-SC | Kerala | Communist Party |
| 359. | Shri P.K. Vasudevan Nair | Male | Peermade | Kerala | Communist Party |
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| 360. | Shri P.M. Sayeed | Male | Laccadive, Minicoy and Amindivi Islands-ST | Laccadives, Minicoy and Amindivi Islands | Independent |