Here are the 10 latest developments:
After his release, Mr Kejriwal said instead of being sympathetic, the government had "directed the police to beat up the family". "Modiji has lied to the entire country saying that OROP has been implemented," he added.
Mr Kejriwal was detained for nearly 5 hours at the RK Puram police station on Wednesday, where Delhi minister Gopal Rai was also detained. Delhi's Deputy Chief Minister Manish Sisodia was also detained, allegedly for over 10 hours.
Congress vice president Rahul Gandhi, who had also tried to meet the family of Subedar Grewal, had been detained twice, once for over 70 minutes in the afternoon and again in the evening. At a police station, he asked cops if they "have no shame" for having also detained the veteran's family.
In a video released by the Congress, Jaswant Grewal, the son of Mr Grewal, who allegedly consumed poison on the lawns of a government building in Delhi on Tuesday, said he and his family were "abused and thrashed" by the police when they tried to meet Rahul Gandhi.
The video has shots from inside a police station and several policemen are seen pulling Jaswant Grewal, as he pleads with them saying, "Please don't do this".
The police said they had detained Jaswant Grewal after he joined Aam Aadmi Party workers in impromptu protests outside a hospital.
In his suicide note, Mr Grewal, 65, said he had not received the increased pension promised to him by the government under its One-Rank-One-Pension scheme, that ensures equal pension for those who retired years ago to those at the same rank retiring now.
Many senior Congress leaders like Jyotiraditya Scindia, had also courted arrest.
Both the Congress and the Aam Aadmi Party have accused the government of failing to implement the One-Rank-One-Pension scheme.
"I don't have anything to say, police will do what it has to for risk reduction," said Union Home Minister Rajnath Singh.
AAP Fully Prepared To Contest All Seats In Haryana Assembly Polls: Atishi Jammu and Kashmir, Haryana Assembly Polls: Facts, Figures Explained In Graphics Jammu And Kashmir, Haryana Assembly Elections In Numbers Kolkata Rape-Murder: Fractures, 150 mg Semen, Other Claims Denied By Cops Karnataka Chief Minister Siddaramaiah To Be Prosecuted In Land Scam Case Life On Earth Originates From One Ancestor, Older Than Previously Believed 17 Palestinians Killed In Israeli Strike On Gaza Amid Raging War Tips For Navigating The Ivy League Admission Process Watch: Air Force, Army's Daring Paradrop Of World's 1st Portable Hospital Track Latest News Live on NDTV.com and get news updates from India and around the world.