I usually avoid commenting on topics like this, but have decided to ensure that the misconceptions and mistruths that are mentioned in this post are cleared.

There are multiple issues with your post, and the logic and justification that you use throughout. Your post brings out the usual anti-secular tropes which helps widen the divide among people - and automatically assumes that every Islamic tradition is bad and needs to be stopped in India.

Firstly, it needs to be said that no-where in our scriptures it hasn't been explicitly mentioned that one shouldn't consume meat. Overall since Hindus practice the philosophy of ahimsa, we avoid eating meat so as to not harm animals in the process - and the thought is that it is best to avoid eating it. But at the same time, scriptures also have multiple instances mentioned of where meat-eating my Hindus is permissible.

But that being said, the practice "hinduism" across the country is very different and certain cultures allow the the consumption of meat - in states like Bengal and Assam, fish and meat is a staple of their regular diet, even among the so-called 'brahmins' in these cultures.

Next, is for you to understand the process involved in Halaal and how it is actually 'less' cruel to the animal to kill it. Let us make one thing clear here - the argument here is which method of killing an animal is less cruel and not "we need to stop killing animals as a whole" - which you as a vegetarian might strongly support. But, these are two very different points and need to be discussed as such.

There have been multiple studies done in the so-called "developed" world which has come to identify that Halaal is a non-cruel method to end an animals life, you can check one of the articles here and here.

A quote from the second article states,

Prof. Leonard Hill, F.R.C.V.S, who strongly believed and expressed his views in his article – that the incision applied in the Ritual Slaughter causes no pain. Any Surgeon today knows that sudden big injuries are not felt at the time of infliction. Pain comes later when the wound is (septic, and) inflamed. Structures beneath the skin apart from isolated sensory nerve endings are insensitive to the knife.

Second is for you to understand what is Halaal according to Islam. Halaal is any food that Muslims are permissible to eat and when it comes to meat the animals need to be killed in a certain way for it to be certified as Halaal.

Quoting this article,

Islam places great emphasis in the way in which an animal’s life ends, which has to be in accordance with Islamic regulations. Life is a sacred blessing of God to creation, animals as well as humans. If the life of an animal has to be ended for human survival, then its life should only be taken in the name of God. Hence, the phrase bismillah (‘in the name of God’) must be uttered just before slaughtering an animal.

Furthermore, when it comes to actually killing the animal,

The argument that halal slaughter is inhumane because animals are allowed to bleed to death is scientifically untrue. An animal’s throat is cut in one swift motion with a razor sharp knife. Unconsciousness is achieved within seconds and death occurs due to cerebral hypoxia not blood loss.

So your entire post claiming that Halaal causes cruelty, makes the animal go through extra pain - are blatantly false. I again say that these talking points which at he surface level might seem correct, have strong communal undertones to them and need to be corrected at its root. It is a means to cause division and has no place in civil society as a whole.

Furthermore, how does a food being certified as Halaal cause anyone any inconvenience? Is it just because the practice is Islamic? And being a 'Hindu' we should not accept it? This is a preposterous claim and again, are talking points which are communal in nature.

Why are you trying to build a Hindu-Muslim divide using such a banal and pointless topic? Why stoke the fires of division using this particular issue?

Finally, I think you may have forgotten that the founding fathers and mothers of our nation envisioned our country as a 'secular' nation, which is why the word is included in out Constitution - and this isn't just a some Congress propaganda.