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We are living in the era of Smart cities where everything is planned and systematic. The problem we are facing is of the population, which is rising rapidly. In recent years, urban migration has skyrocketed. This has resulted in the rise of garbage waste everywhere. Dumping of garbage in public places creates a polluted environment in the neighborhood. It could cause a number of serious diseases to the people living around. This will embarrass the evaluation of the affected area. In order to reduce waste and maintain good hygiene, we need a systematic approach to tackle the problem. We propose a solution to this waste problem which manages the garbage waste smartly. This research paper proposes an IoT based smart system based on clean waste management that assesses the level of waste on dustbins through sensory systems. In this system the microcontroller is used as a visual connector connecting sensor and the IoT system. We have worked for a village in native village of UP under the scheme Unnat Bharat and the results have been promising.

In 2009, the evolution of the blockchain technology was the foundation of the first ever cryptocurrency, bitcoin. It not just changed the financial industry but also proved to be a major break-through for peer-to-peer data transfer, information exchange having high security, efficiency, and transparency. Blockchain is a database of records which is distributed on the network, or we can say, its a public ledger of all transactions that have executed and are shared between every user on that blockchain network. Some of its characteristics include anonymity, irreversibility, immutability, decentralization and persistence. It has found applications and use in almost all fields which require data sharing but with secure authentication, anonymity and permanence. Some of the areas of its application are finance, real-estate and IoT. In this paper we discuss the blockchain technology and its fundamentals, its working, types of blockchain, applications, advantages, disadvantages and some other aspects in details. In this research paper, we introduce a model of e-voting as a CASE study which is developed in decentralised environment on the Ethereum blockchain. Using the concept of Blockchain, e-voting will assist to strengthen security and integrity of the election system reducing the cost while increasing the privacy. The use of encryption helps to provide security to the system. No intruder can gain access to the voting system and tamper it and in this way, EVMs can’t be accused of being fixed.