| 621 | |
| 622 | Hydrogeological studies in the granitic terrain of Hayathnagar Rangareddy District, Andhra Pradesh |
| Language: | English |
| 623 | |
| 624 | |
| Language: | English |
| 625 | |
| 626 | |
| Language: | English |
| 627 | Hydrogeology of the Upper Araniar River Basin, Chittor Dist, A.P |
| 628 | |
| Language: | English |
| 629 | Some theoretical aspect of mountain waves and their observed features over Indian region |
| 630 | |
| Language: | English |
| 631 | Study of Steatite Mineralization in Parts of Cuddapah District, Andhra Pradesh |
| 632 | natural environment of Pravara River Basin and its impact on land utilisation |
| Language: | English |
| 633 | On seismological investigations of the Kumaun Himalaya using local earthquake data |
| 634 | |
| Language: | English |
| 635 | Optimum utilisation of wind energy with reference to rural India |
| 636 | |
| Language: | English |
| 637 | Experimental studies on the electric fields due to lightning |
| 638 | |
| Language: | English |
| 639 | |
| 640 | Hydraculics of large diameter wells and aquifer parameter estimation |
| Language: | English |