Surat, Rajkot and Bilaspur are among the cleanest train stations in the country, followed by Solapur, Mumbai Central and Chandigarh, according to a preliminary survey commissioned by the Railways.

The stations at Bhubaneswar and Vadodara also featured among the cleanliest.

Pune has the dirtiest station, followed by Mughalsarai, Guwahati, Nizamuddin (Delhi), Sealdah and Kanpur Central. Others found at the bottom of the ladder are Bhopal, Muzaffarpur, Thrisur, Raipur, Varanasi and Delhi.

Among the top 10 cleanest stations in 'A' category (332 stations) are Beas (Punjab), Jamnagar, Gandhidham and Vasco-Da-Gama (Goa).

Shahganj, Ballia and Janghai (Uttar Pradesh), Madhubani and Bakhtiyarpur (Bihar) and Raichur (Karnataka) are among the 10 least clean stations.