For future PhD opportunities, is a master's from a top IIT or NIT better than an MS in computer science from a lower-ranked US university?

Yes, if a competitive PhD is your end goal, a masters from a top IIT or NIT generally beats an MS from a lower ranked US university. PhD admissions committees care most about your research output, recommendation letters and faculty pedigree, and top Indian institutes deliver all three at a fraction of the cost. A lower tier US program mainly wins only on direct proximity to US based advisors.

Top IIT/NIT vs Lower Tier US MS

When the US Option Still Makes Sense

• If you want to network directly with specific US professors whose research exactly matches your interest.
• If you are more comfortable being evaluated on a US style GPA than an Indian CGPA.
• If the program allows an easy internal transition from its own MS into its own PhD track.
• Otherwise, prioritise a top IIT or NIT masters and clear GATE to unlock that path.

My Advice

If your GATE score qualifies you for a strong research group at an IIT, take it, since the publication record and recommendation letters you build there will open more doors for a 2026 or 2027 global PhD application than a generic US masters would. Reach out to potential advisors directly in your first semester regardless of which path you choose.