Yes, you can do your master's from abroad. You only need to take IELTS but popular universities ask for GRE. The admission is based on your overall academic performance. You can choose your specialization. Indian students choose Canada over other study abroad destinations for obvious reasons  world-class universities, affordable study and living options, picturesque places to visit, good vibes from the native people, considerable work opportunities with global companies, stay-back options and more.