The 18-year-old constable was recruited to the CISF's paramilitary force as a woman trainee, but during mandatory medical tests, she was found to be having no reproductive organs.
Kerala Home minister Ramesh Chennithala said an inquiry has been ordered.
Minister of State for Home Affairs Sriprakash Jaiswal said, in a written reply, that "there is no definite trend of increase in cases of suicides and fratricides in the central police forces".
The border guarding force has the maximum confirmed cases of the disease among the Central Armed Police Forces, also known as paramilitary forces.
The five-six men, wearing saffron T-shirts and kurta, started the sloganeering when the train was about to halt at the metro station, according to a PTI reporter who was at the spot.
A total of 946 medals have been announced by the Union home ministry for personnel and officers of Central Armed Police Forces and state police forces, out of which three have been decorated with the President's Police Medal for Gallantry (PPMG) while 177 have been awarded the PMG.
The undated video, posted on Facebook by a user, has been shared over 6,000 times and shows the constable in inebriated state struggling to hold on to a pole while swinging back and forth inside a coach.
Prime Minister Narendra Modi strongly condemned the attack.
After declaring reservation for women in constabulary in paramilitary forces, they can now also be inducted as officers in combat roles in all five Central Armed Police Forces.
'Had the police firing been responsible for the killing, then that would have been excessive use of force, but somebody killing somebody else in your presence shows that either you are complicit or incompetent, or both.'
Protests broke out in some states on Friday, including Delhi's Jama Masjid and stone-petling at policemen in Uttar Pradesh's Prayagraj and Saharanpur, over the controversial remarks on Prophet Muhammad by two now-suspended Bharatiya Janata Party functionaries with demonstrators in Jharkhand injuring a few policemen while authorities in Jammu imposed a curfew in few areas and parts of Kashmir observed a shutdown.
With Pakistan moving towards tactical nuclear weapons, there is an increasingly higher risk of nuclear theft, a US think-tank report has warned ahead of the Nuclear Security Summit in Washington later this month.
Vaihayasi Pande Daniel -- who covers the Sheena Bora murder trial for Rediff.com -- reports on a day in a Ranchi court.
Over 22 passenger and commercial vehicle makers and 18 two- and three-wheeler makers will take part amid proximate security.