Inspired by revolutionary Bitcoin, Vitalik Buterin created Ethereum an open source, public, blockchain-based distributed computing platform and operating system featuring smart contract (scripting) functionality. It supports a modified version of Nakamoto consensus via transaction-based state transitions. Ether is a token whose blockchain is generated by the Ethereum platform.
Ethereum is backed by multiple top companies like Deloitte, Microsoft, Intel and many more making it's long-run evident. So people looking for longterm Ethereum is an excellent choice. Ethereum's blockchain records things far more rapidly than Bitcoin. It processes transactions in 12 seconds. Also while buying an ICO based on Ethereum token you will need ether for storing the same you will need an etherem-based wallet. Ethereum ranks 2nd with Market Capitalization of well over $28 Billion.
Ethereum is available to buy/sell and trade on Colodax. A good cryptocurrency exchange in India is hard to find, but Colodax stands out from the rest with features like fast INR withdrawals & deposits, Low trading fees and 24/7 customer support.