1. Paleogeography of Central India in the Vindhyan Period;Ahmad;Rec. Geol. Surv. India,1962
2. Geology of the Vindhyan System in the eastern part of the Son Valley in Mirzapur district, Uttar Pradesh;Ahmad;Rec. Geol. Surv. India,1971
3. Petrology and Sedimentation Trends of the bhander Group (Upper Vindhyan) in the Singoli (Madhya Pradesh)-Mandalgarh (Rajasthan) Area;Akhtar,1973
4. Depositional environments of the Proterozoic Bhander Group, Mandalgarh-Singoli area, southeastern Rajasthan;Akhtar,1975
5. Facies analysis and depositional environments of the Bhander Limestone (Precambrian), southeastern Rajasthan and adjoining Madhya Pradesh, India;Akhtar;Sediment. Geol.,1976