Conversation so far:
which union territories do not have any representation in rajya sabha
The Andaman and Nicobar Islands, Chandigarh, Dadra and Nagar Haveli and Daman and Diu, Ladakh and Lakshadweep do not send any representatives to the Rajya Sabha.
why do the andaman and nicobar islands, chandigarh, dadra and nagar haveli and daman and diu, ladakh and lakshadweep not send any representatives to the rajya sabha
The Andaman and Nicobar Islands, Chandigarh, Dadra and Nagar Haveli and Daman and Diu, Ladakh and Lakshadweep do not have state legislatures.

Question: where does the house meet
Self-contained rewrite: where does the rajya sabha meet