You can find the reference material for all the 4 Modules at their official website: https://www.icsi.edu/media/webmodules/Cover_CSEET.pdf . There are three mock tests available in the ICSI CSEET Mock Test. You can solve that. These will boost your preparation.

https://www.icsi.edu/cseet/

The test will is scheduled at multiple test centers across the country. More than 50 exam centers are allotted for this exam.

Assam-Guwahati ; Telangana-Hyderabad ; Manipur-Imphal ; Jammu and Kashmir-Jammu,Srinagar ; Goa-Panaji ; Bihar-Patna ; Andaman and Nicobar Islands-Port Blair ; Puducherry-Puducherry ; Uttarakhand-Dehradun ; Chandigarh-Chandigarh ; Jharkhand-Dhanbad,Jamshedpur,Ranchi ; Delhi-East Delhi,South Delhi,North Delhi West Delhi ; Himachal Pradesh-Shimla ; Tamil Nadu-Chennai,Coimbatore,Madurai,Salem,Tiruchirappalli,Tirunelveli ; Uttar Pradesh-Agra,Aligarh, Allahabad Bareilly,Ghaziabad, Gorakhpur, Jhansi, Kanpur,Lucknow,Mathura,Meerut,Moradabad,Muzaffarnagar,Noida,Varanasi ; Gujarat-Ahmedabad,Gandhidham,Gandhinagar,Jamnagar,Rajkot,Surat,Surendranagar,Vadodara,Vapi ; Maharashtra-Ahmednagar,Akola,Amravati,Aurangabad,Jalgaon,Kolhapur,Latur,Mumbai,Nagpur,Nanded,Navi Mumbai,Pimpri-Chinchwad,Pune, Satara, Solapur, Thane ; Rajasthan-Ajmer,Alwar,Beawar,Bhilwara,Chittorgarh,Jaipur,Jhunjhunu,Jodhpur,Kota,Pali,Sikar,Udaipur ; Haryana-Ambala,Faridabad,Gurgaon,Hisar,Panipat,Rewari Rohtak,Yamuna Nagar ; Punjab-Amritsar,Jalandhar,Ludhiana ; West Bengal-Asansol,Durgapur,Hooghly,Howrah, Kolkata, Siliguri ; Karnataka - Ballari,Bengaluru,Belgaum,Hubli,Dharwad,Mangalore Mysore,Tumkur