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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| 286. | Shri M. Muhammad Ismail | Male | Manjeri | Kerala | Muslim League |
| 287. | Shri M. Narayan Reddy | Male | Nizamabad | Andhra Pradesh | Independent |
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| 288. | Shri M.K. Nanja Gowder | Male | Nilgiris | Madras | Swatantra Party |
| 289. | Shri M.N. Naghnoor | Male | Belgaum | Mysore | Congress |
| 290. | Shri M.R. Krishna | Male | Peddapalli-SC | Andhra Pradesh | Congress |
| 291. | Shri M.R. Masani | Male | Rajkot | Gujarat | Swatantra Party |
| 292. | Shri M.S. Oberoi | Male | Hazaribagh | Bihar | Jharkhand Party |
| 293. | Shri M.Tulsidas Dasappa | Male | Mysore | Mysore | Congress |
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| 294. | Shri M.V. Krishnappa | Male | Hoskote | Mysore | Congress |
| 295. | Shri M.V. Rajasekharan | Male | Kanakapura | Mysore | Congress |
| 296. | Shri Maddi Sudarsanam | Male | Narasaraopet | Andhra Pradesh | Congress |
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| 297. | Shri Madho Ram Sharma | Male | Karnal | Haryana | Congress |
| 298. | Shri Madhu Limaye | Male | Monghyr | Bihar | Samyukta Socialist Party |
| 299. | Shri Maganti Ankineedu | Male | Gudiwada | Andhra Pradesh | Congress |
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| 300. | Shri Mahadevappa Rampure | Male | Gulbarga | Mysore | Congress |