| 1966 August 06th | Official Inauguration of CHASS |
| 1966 September 19th | Registration of CHASS under Travancore Cochin Scientific Literary and Charitable Societies Registration Act XII of 1955 having Registration No. K.44/1966 |
| 1968 April 03rd | Started Save A Family Plan project |
| 1972 January 10th | Separated Kanyakumari District from CHASS and formed a new society named Kanyakumari Social Service Society |
| 1973 July 03rd | Archdiocesan Charity Fund inaugurated and launched |
| 1975 march 19th | Inauguration of the Cooperative tailoring Centre ( COPTAC) |
| 1977 June 02nd | NNEP programme of Catholic Relief Service started |
| 1977 August 1st | Launching the Targeted Maternal Child Health Education Programme ( TMCHEP) |
| 1977 August 26th | Khadi & Village Industries Programme started with the support of Khadi Board |
| 1979 November 14th | Registration of Kuttanad Vikasana Samithy |
| 1979 December 05th | Khadi spinning unit at Amalagiri |
| 1980 March 17th | Started Grama Silpa at Changanacherry |
| 1980 August 04th | Khadi Production Centre at Athirampuzha |
| 1980 October 07th | Khadi weaving unit at Thrickodithanam |
| 1980 October 16th | Started Mar. Antony Padiyara Episcopal Silver Jubilee Memorial Education Loan Scholarship Scheme |
| 1980 October 18th | Inauguration of Samrudha Agriculture centre |
| 1980 December 09th | Implementation of Socio- Economic development Seminar |
| 1983 March 31st | CHASS is under the direct list of KVIC |
| 1982 April 01st | Started Assumption khadi centre at Kurumbanadom |
| 1983 April 15th | MCH programme started |
| 1986 August 16th | Inauguration of the Khadi Gramodyog Vidyalaya Mallappally |
| 1987 April 10th | Started Integrated Community Health Project in Kuttanad and Changanacherry taluk |
| 1987 May 01st | Started Slum Adoption/development programme |
| 1987 November 10th | Started the project of Tile roofing for 1000 families |
| 1987 December 05th | Started Partnership with CAPART ,Started Low cost latrine construction project |
| 1988 January 01st | Launching of the Credit Union Programme |
| 1988 May 20th | Inauguration of the Khadi Bhavan at Kottayam |
| 1989 December 28th | Launching of the TB Eradication Project |
| 1990 January 15th | Modern Roofing Scheme programme for 2500 families |
| 1990 April 09th | Cane & Bamboo unit at Mannila |
| 1990 July 11th | Registration of a separate entity for Women empowerment programme named AWARD Mahilasamajam |
| 1990 October 17th | Launching of Bee-keeping Programme |
| 1990 November 15th | Honey Processing Unit at Kurumbanadom |
| 1990 November 24th | Launched Integrated Community Health programme in Kuttanad region |
| 1991 June 05th | Launched Integrated Child development Project – started 65 Child development centers |
| 1991 November 29th | Inauguration of the Silver Jubilee Celebration of CHASS |
| 1992 February 22nd | Started Partnership with Ministry of Social Justice and Empowerment New Delhi ,Started ACCEPT De-addiction Centre at Punnapra |
| 1992 November 01st | Started HDFC Housing Scheme |
| 1992 November 15th | Launched Integrated Dalit Development Programme |
| 1993 January 15th | Valedictory Function of the Silver Jubilee Celebration |
| 1993 July 03rd | Started Grassroots level workers training programme |
| 1994 August 10th | Inauguration of the Bakery Unit |
| 1994 August 15th | Started Integrated Village development Programme in Alappuzha region |
| 1994 September 28th | Started Home Nursing Programme |
| 1994 November 03rd | Started Silk Reeling Unit at Samrudha |
| 1994 November 03rd | Started Samrudha Development Centre |
| 1994 December 10th | Started AIDS Control Programme |
| 1995 February 10th | Inauguration of the CHASS Soap Powder unit |
| 1995 February 10th | Inauguration of the Fruit Preservation Unit |
| 1995 March 05th | Launched Vettumuttathoru Poshakathottam Padhathy |
| 1995 March 05th | Started Kuttanad Darsan Padanakalari |
| 1995 July 08th | Publication of CHASS Voice |
| 1995 November 28th | Inauguration of CHASS Poultry Club |
| 1995 December 01st | Started Dalit Development programme in 40 villages |
| 1996 April 25th | Started IAY Housing scheme in association with CAPART |
| 1996 May 02nd | Started CHASS Institute of Rural Technology |
| 1996 June 10th | Started the formation of SHGs – Self Help Group is a neighborhood fraternity of a likeminded people with an average membership of 20 people (families). It is a grassroots level people’s Organization mainly intended to mobilize the human resource for community development. |
| 1996 October 09th | Inauguration of Mar. Joseph Powathil Episcopal Jubilee Memorial Housing Scheme |
| 1997 January 03rd | Started Integrated Village development Programme in Edathua region |
| 1999 April 10th | Started Watershed Development Activities in Manimala Region |
| 1999 December 03rd | Launched Community Based Rehabilitation of the Differently Able Programme |
| 2000 February 15th | Started the Mahajubilee Housing Scheme |
| 2002 October 20th | Award from NABARD for SHG linkage program |
| 2003 September 1st | Started Jalanidhi Project |
| 2006 September 07th | Launched ‘Jalatharng’ watershed programs |
| 2007 February 2nd | Launched Jeevan Madhuoor – assistance for marriage and education |
| 2007 June 1st | Community based disaster preparedness project |
| 2008 March 20th | Launched universal Health insurance – medi claim |
| 2008 May 20th | Launched Janasree Bheema Yojana Program |
| 2008 August 30th | Launched SMCA Housing Project |
| 2008 October 2nd | Started Mahilasureksha welfare scheme for women |
| 2009 April 1st | Launched death fund for SHG members |
| 2010 March 25th | Launched life care insurance |
| 2010 July 25th | Launched Selavip program- 40 houses for differently able |
| 2010 October 20th | Launched Jeevan Mangal insurance |
| 2010 November 3rd | Launched Jointly Liability Groups |
| 2010 December 18th | Launched Farmers club |
| 2011 October 1st | Krupa Bhavan Housing Scheme |
| 2011 December 3rd | Won National Award in the field of empowerment of persons with disabilities from Ministry of Social Justice and Empowerment |
| 2012 July 28th | Launched Sustainable Livelihood Through Integrated Management Program |
| 2013 September 7th | CHASS got approval of Kerala State government as the nodal agent for home and institution based waste management |
| 2013 November 12th | Fr. Jacob Kattady Relieved from CHASS Director
|
| 2013 November 13th | Fr. Joseph Kalarickal appointed as CHASS Director
|
| 2014 June 15th | Started skill development training ( Electrical & Home appliances repair, refrigerator & A C Repair, Pumps & Motor Repair and central Air Conditioning ) for youth in association with ICICI Academy for Skills |
| 2014 August 18th | Started free driving courses economically backward rural youth |
| 2014 September 17th | Micro credit facilities to 65 backward and Minority SHGs under micro credit schemes through Kerala State Backward Community Development Corporation |
| 2014 September 29th | National Environment Awareness Project under Centre for Environment and Development ( CED ) started |
| 2015 January 13th | Inauguration of Harithvarsham Harithagram Golden Jubilee Memorial Program |
| 2015 March 8th | Launching of ‘Social Mainstreaming of Spinsters and Aloof women, project in collaboration with Kerala Social Service Forum |
| 2015 April 13th | Celebrated Coptac Ruby Jubilee |
| 2015 June 5th | Inauguration of (Nakshatra Vanam”) in association with Social Forestry Department under Harithvarsham Harithagram |
| 2015 August 1st | Started Mutual Benefit Scheme |
| 2015 October 20th | Launching of Promotion and protection of Child Right Project in collaboration with Kerala Social Service Forum |
| 2016 February 4th | "Ashakiranam" Cancer Suraksha Padhathi with Caritas India
|
| 2016 March 14th | Assisi Vidhyalam Poonthop - Silver Jubilee inauguration
|
| 2016 July 15th | Jalasamrudhi - supported by Family Apostolate, Changanacherry
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| 2016 July 26th | Help Desk Inauguration
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| 2016 August 30th | CHASS- Golden Jubilee Logo
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| 2016 September 09th | CHASS Golden Jubilee Inauguration
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| 2016 December 13th | CHASS- Hairtha Nattuchantha at Changanacherry
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| 2017 January 26th | Golden Farm Fest 2017
|
| 2017 February 20th | Anil Karippingapuram Relieved from CHASS Kadhi (Asst. Director)
|
| 2017 February 21st | Fr. George Manthuruthil Appointed as CHASS Kadhi (Asst. Director)
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| 2017 June 1st | CHASS - RRTC deligated as Regional Co-ordinaton Agency and State implimention Agency for National Survey on Extent and Pattern of Substance Use in India by Ministry of Social Justice and Empowerment and National Institue of Social Defence in Collaboration with All India Institute of Medical Science and NDDTC- In the state of Kerala, Lakshadweep and Mahi
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| 2017 June 2nd | Agape Housing programme Silver Jubilee Celebration
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| 2017 August 17th | CHASS- Hairtha Nattuchantha at Kudamaloor
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| 2018 January 6th | CHASS- REHASWiSS -Silver Jubilee memmorial "Asha Project" Inauguration at Vadavathoor
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| 2018 February 2nd | E-Shakti - SHG Digitisation with NABARD
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| 2018 March 10th | Assisi Vidhyalam Poonthop - Silver Jubilee Celebration
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| 2018 June 31st | CHASS - SAFP Golden Jubilee Celebration
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| 2019 December 23rd | Rebuild Kerala/ Kuttanadu –Flood 2018– Formal Inauguration of 50 new flood resilient houses( This scheme is materialized with the partnership of HDFC Ltd / HTPF, Mumbai) |
| 2021 June 21st | Fr. Joseph Kalarickal Relieved from CHASS Director |
| 2021 June 22nd | Fr. Thomas Kulathumkal appointed as CHASS Director |
| 2021 July 8th | Fr. Varghese Elanjiparambil appointed as Asst. Director |
| 2021 July 16th | Inauguration of Nagaravazhiyora Karshika Vipani at Changanacherry |
| 2021 August 9th | Buffer Zone response – Karshaka Koottayimma at Aaryankavu and Amboori |
| 2021 August 28th | Installation of Oxygen Concentrator Unit at CHASS office with the support of Caritas India |
| 2021 August 28th | Haritham – Green protocol Campaign started |
| 2021 August 28th | Narture Project – Root Zone Fertilization Program started in collaboration with KSSF |
| 2021 October 16th | CHASS is designated as the approved agency of ‘Vijayaveedhi’ employment training of Govt. of Kerala at Changanacherry Municipality and Ramankary Panchayat |
| 2021 October 28th | Started one home one toilet project for 200 families in collaboration with SAFP India |
| 2021 October 28th | Disaster Risk Reduction Program in collaboration with UNICEF at Kottayam and Pathanamthitta districts (15) Panchayats |
| 2021 November 2nd | Started Paliative Care & Home Nursing training program in collaboration with NABARD |
| 2021 December 4th | Livelihood Restroation program for SC/ST families in Kuttanad region (Goat rearing support) |
| 2022 March 21st | Started Jal-Jeevan Mission Padhathi in Madappally, Vazhappally, Nedumudy & Champakulam Panchayat |
| 2022 June 6th | Started CHASS Nursery (Plant) |
| 2022 June 7th | Fr. George Manthuruthil relived from CHASS Khadi Department |
| 2022 June 7th | Fr. Ancilo Elanjiparambil relived from CHASS (Asst. Director) |
| 2022 June 8th | Fr. George Panakezham appointed as Director Khadi |
| 2022 June 8th | Fr. George Thycheril appointed as Asst. Director CHASS |
| 2022 June 29th | Stone laying Ceremony – Rural Agriculture Hat at Bypass land Changanacherry |
| 2022 December 15th-19th | Nirapara Karshika Mela at Kuttanadu Region |
| 2022 December 30th | USHAS – Tailoring Project for 20 Widows |
| 2023 January 12th | Farmer Producer Company(FPC) Madappally Office Inauguration |
| 2023 February 6th | FPC Pongamthanam Company inaugurated |
| 2023 February 23rd | Sajeevam Anti-drug Campaign started |
| 2023 May 23rd | CHASS Grama Bazar – Premium Outlet inaugurated |
| 2023 October 13th | Started Educare Padhathi |
| 2024 February 13th | Fr. Jince Chorattu Chamakala appointed as Asst. Director CHASS |
| 2024 February 19th | Rehaswiss – Chass , CHARITY GOAT FARM inaugurated |
