Complex sentence: Most of the long distance trains stop at platform 4, while incoming trains heading to Bangalore City stop at platform 3 and platform 1 is long enough only for eight coaches so its used for goods and mail trains.
Split into simpler sentences: Most of the long distance trains stop at platform 4, while incoming trains heading to Bangalore City stop at platform 3. Platform 1 is long enough only for eight coaches so its used for goods and mail trains.