4 family members and friends are travelling Ladakh-SIN/BKK. Their Ladakh-Delhi flight (limited service) arrives mid/late morning and the connecting flights to SN/BKk don't leave until midnight. Given that the airports are a bit.. scummy, what are their options/

What time of year are they flying? That will largely determine their options because I highly doubt they want to brave the 50C/120F daytime temperatures in the summer.