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| 2 | |
| Language: | English |
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| 4 | |
| Language: | English |
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| 6 | Agricultural development in the N E Region of India including Sikkim during the plan period |
| Language: | English |
| 7 | Population growth and agricultural development in Manipur, 1951-1985 |
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| Language: | English |
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| 10 | comparative study of political integration of North East states with India upto 1950 |
| Language: | English |