- Feb. 2016: LIGO-India granted ‘in principle’ approval by Union cabinet.
- Jul. 2016: LIGO-India site selection committee report recommends primary site.
- Oct 2016: State cabinet approves govt held land LIGO-India on Oct. 4, 2016.
- July 2017: Entire funds that will be committed prior to the full DPR funding sanctioned.
- Aug. 5, 2017: State Govt. land formally transferred to LIGO-India.
- Jul 2018: DAE sets in place the necessary project appraisal committee for DPR.
- Aug 2018: First LIGO-India Apex Committee meeting with DAE and DST top brass.