In the sequence of tiles shown below, the missing tile indicated by the question mark should be





Apply a two-step elimination: first discard any option whose dot count breaks the numeric progression seen across the given tiles, then among the survivors discard any option whose dot layout does not match the established grouping style. Only one candidate tile passes both filters, and it corresponds to option (D), which matches the officially released GATE 2026 answer key.
The final answer is option (D).


