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Groundnut (Arachis hypogea L.) is a major oilseed crop and holds an important place in the Indian agricultural economy. Odisha occupies 6th place in the major groundnut-producing states of the country with a total production of 0.388 MT and is grown in both Kharif and Rabi seasons. Harvesting is one of the major unit operations in groundnut cultivation and is mechanically harvested by tractor-operated diggers but their use is limited because of small land holdings and high capital costs and is not economical for small and marginal farmers of the state. However, the groundnut diggers to match with power tillers are not commercially available, therefore, efforts were made to develop a single-row groundnut digger operated by a power tiller. The study was conducted to relate the soil and crop parameters for the digger design, which influences the harvesting of groundnut. The design of a power tiller-operated groundnut digger to harvest a single row of groundnut requires the data of soil parameters (soil type, bulk density, cone index and soil moisture content) and crop parameters (plant population, plant height, pod zone, pod spreading radius, taproot length, taproot diameter, pod-vine ratio), suitable for different groundnut varieties. It was found that the majority of groundnut varieties were grown in sandy soils and harvested at 12-15 % soil moisture for more yield with a minimum power requirement. It was observed that for all types of groundnut varieties the plant population, plant height, pod zone depth, pod spreading radius, taproot length, taproot diameter and the number of pods per plant varies from 24-29/m2, 31-49.18 cm, 5.79-6.86 cm, 5.87-9.15 cm, 11.70-13.78 cm, 4.64-5.84 cm and 11-27/plant, respectively.

The concept of Aadhaar came with the need for a unique identity for every individual. To implement this, the Indian government created the authority UIDAI to distribute and generate user identities for every individual based on their demographic and biometric data. After the implementation, came the security issues and challenges of Aadhaar and its authentication. So, our study focuses on the journey of Aadhaar from its history to the current condition. The paper also describes the authentication process, and the updates happened over time. We have also provided an analysis of the security attacks witnessed so far as well as the possible countermeasure and its classification. Our main aim is to cover all the security aspects related to Aadhaar to avoid possible security attacks. Also, we have included the current updates and news related to Aadhaar.

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