Altogether 31 teams have been divided into eight clusters with last year's semi-finalists - West Bengal, Punjab, Tamil Nadu and Goa- directly finding their place in the Groups Quarterfinal round.
The preliminary round matches will be held from May 6-16, while the quarterfinal round matches will take place from May 17-24.
The first semi-final will be held on May 26, while the second semi-final will be played on May 27 with grand finale being held on May 30.
Altogether seven venues will hold the matches of the Santosh Trophy in Assam.
Cluster I and V matches will be played in Guwahati, Cluster II matches will be played in Mangaldoi, Cluster III matches will be played in Shiv Sagar, Cluster V matches will take place in Tinsukia, while Cluster VI, VIII and VIII matches will be held in Nagoan, Bongaigoan and Korkrajar respectively.
Cluster I: Assam, Pondicherry, Rajasthan.
Cluster II: Chhattisgarh, Daman and Diu, Gujarat and Uttar Pradesh.
Cluster III: Manipur, Andhra Pradesh, Bihar and Andaman and Nicobar.
Cluster IV: Kerala, Jammu and Kashmir, Jharkhand,. Chandigarh.
Cluster V: Karnataka, Uttarakhand, Services, Arunachal Pradesh.
Cluster VI: Delhi, Nagaland, Orissa and Himachal Pradesh.
Cluster VII: Mizoram, Haryana, Madhya Pradesh, Tripura.
Cluster VIII: Maharashtra, Meghalaya, Railways, Sikkim.