Upvote:2
Your visa application is typically only the tip of the iceberg with regards to the amount of work expected of you before and after attending a conference.
Ask your faculty adviser for support in your decision making. Expect to be required to start with rational considerations such as:
Those are also typical questions that you will need to answer in many visa applications. Once you have your shortlist/conference: often conferences will provide visa application information, provide invitation letters and might even sponsor you. Your adviser will probably also have experience with visa applications and your university may also have an international desk that can support you with visa applications and other travel arrangements (usually they are not restricted to only support foreign students attending your university).
With regards to visa citizens of India require visa for most countries