According to sources in the minister's office, Alphons said he did not require additional security and it was an unnecessary waste of resources.
"The minister is very particular about these things. He does not avail business class travel, he does not stay anywhere except in government guest houses while travelling and also does not use his official vehicle during private visits.
"He has even forgone his Y category security that he is eligible for," said an official close to the minister.
On November 25, when the minister visited his ministry at Transport Bhavan in central Delhi, he was driving his private car which was not allowed entry into the building guarded by CISF personnel.
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Officials also said Alphons, who yesterday took oath as Rajya Sabha MP, also does not call his staff to work when he works on Sundays.
During his recent visit to Kerala, the minister sneaked out for private work by auto giving instructions to his staff not to bother the security personnel who were provided to him by the Kerala government.
Later, the minister said that his officers were "entitled" to it and it was his "choice" to travel economy.