Official sources said Singh and Gandhi would offer floral tributes at the grave of Malda strongman late A B A Ghani Khan Choudhury at his Kotwali residence soon after their arrival.
The Prime minister would also lay the foundation of Ghani Khan Choudhury Institute of Engineering and Technology at Narayanpur near here at a programme in which Gandhi would also participate.
West Bengal Governor M K Narayanan would be present at the function.
AICC observer in-charge of the state Shakeel Ahmed and West Bengal PCC president Pradip Bhattacharya would also be present.
Security has been tightened in Malda town in view of the VVIP presence on Saturday and a team of SPG personnel has already arrived there.