Gurusar Sudhar is a township in the district of Ludhiana in Punjab, India.

It is located nearly at the middle of the road connecting Mullanpur and Raikot; and is flanked by the townships/villages of Halwara, Ghuman, Hissowal, Aitiana, Akalgarh, Rattowal, Toosa, Sidhwan and Bhora.

Khalsa Senior Secondary School which are counted amongst the pioneering institutions of education in rural Punjab.

High end medical care is available in the nearby Ludhiana city.

A church and the tomb of a Muslim peer are present in adjoining Halwara.