Is knowing .NET only enough for a successfully carrier in IT industry
Recently, I don’t know from where I got a thought in my mind that, “is knowing .NET development environment enough for a successful carrier in IT industry”. Should I be learning more languages too or will .NET suffice me for next 10-15 years. 
Is knowing .NET only enough for a successfully carrier in IT industry
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Recently, I don’t know from where I got a thought in my mind that, “is knowing .NET development environment enough for a successful carrier in IT industry”. Should I be learning more languages too or will .NET suffice me for next 10-15 years. 