Union environment minster Anil Madhav Dave passed away in the national capital on Thursday morning. He was 60. Cardiac specialists at the All India Institute of Medical Sciences (AIIMS) tried to resuscitate him for more than an hour before declaring him dead around 9:45am.Dave, a member of the Rajya Sabha since 2009, was sworn in as a minister with independent charge of environment, forest and climate change last year. He was reportedly unwell since January this year and was also not attending office.“The minister is unwell and has not been coming to office on regular basis. We brief him at his residence,” a senior environment ministry official had told HT on Wednesday, a day before his death.Dave was rushed to the cardiology department around 9am after he complained of uneasiness, shortness of breath and chest pain.“He was brought straight to the cardio- thorasic tower two at the hospital and admitted into the cardiac care unit (ccu), which is the Intensive Care Unit for cardiac emergencies,” said a source in the hospital, requesting anonymity as the person is not authorised to speak to media.“Doctors tried hard to revive him, but his condition kept on deteriorating,” said the source.Dave was under the care of Dr Gautam Sharma, professor in the department of cardiology at the hospital.His body is being taken from the AIIMS Mortuary to the department of anatomy for embalming. It will be flown to his hometown Indore later for the last rites.AIIMS released an official statement that said Dave was brought to AIIMS in a state of cardiac arrest. “All possible measures were taken immediately at AIIMS, but he could not survive and declared dead around 9.45 am.”His death was condoled by senior politicians, including Prime Minister Narendra Modi who said he was in a meeting with Dave on Wednesday evening and described the demise as a “personal loss”.“Anil Madhav Dave ji will be remembered as a devoted public servant. He was tremendously passionate towards conserving the environment,” Modi tweeted.