KATHMANDU: Nepali Congress leader Rishikesh Tiwari on Saturday announced his resignation from the post of chief secretary of the party's central office.

Two years ago then party president, late Sushil Koirala, had appointed Tiwari, a member of Dhawalagiri zonal coordination committee, to the post.

Tiwari handed over his resignation letter to Nepali Congress President Sher Bahadur Deuba this morning.