Seculars are voting for whom?
In current scenario, it is pretty evident that the whole election is based on religion and caste from all the parties. Everyone is catering to some certain segment and sticking to it. They won't even care if that statement will hurt the non-voters or not. Parties and their voters are like this : Congress: Non-Hindus ( Mostly Muslims) & backward castes of our society ( mostly the ones who enjoy reservation) BJP : Hindus & NRI's
Interestingly, no one caters to Sikh community. Congress is aware of that after 1984 and BJP because of Khalistan and farm laws. Now fundamentally, the voter will choose the party which will benefit him/her. They feel safer under that regime. Like, there are many videos surfacing of Muslims claiming to break down Ram Mandir if Congress wins and in same manner, many videos coming in of Hindus taking over Kashi & Mathura temples if BJP stays in power. And I know none of them is going to happen. Now what I want to ask is how does a secular person reacts to this? And please don't say only BJP is fuelling hatred. If you feel so, then clearly you don't remember Congress's regime. Both the parties are playing dirty politics. Personally I feel BJP is less evil than Congress because it still remains patriotic while making decisions but Congress can sell their soul to cater their voters.
BJP and its supporters are also secular to an extent, it would be unfair to say they all want Muslims harmed or gone. Many of them have Muslim/Christian friends and family members too.
From what I've seen, they want them to be regulated just like other Indians so they don't feel afraid of radical/orthodox Muslims.
There is a radical bunch that actively stokes hatred against Muslims and others too, but that's happening on pretty much all fronts basically. No matter what religion.
Tl;Dr - labels don't help, Indian identities are too complex for simplistic judgements