unite_india_decision_effect

unite_india_decision_effect = {
	#Create the title and make it primary
	create_title_and_vassal_change = {
		type = created
		save_scope_as = title_change
		add_claim_on_loss = no
	}
	title:h_india = {
		change_title_holder = {
			holder = root
			change = scope:title_change
		}
		set_capital_county = root.primary_title.title_capital_county
	}
	resolve_title_and_vassal_change = scope:title_change
	set_primary_title_to = title:h_india

	title:e_rajastan = { set_de_jure_liege_title = title:h_india }
	title:e_deccan = { set_de_jure_liege_title = title:h_india }
	title:e_bengal = { set_de_jure_liege_title = title:h_india }

	hidden_effect = {
		if = {
			limit = { has_title = title:e_rajastan }
			destroy_title = title:e_rajastan
		}
		if = {
			limit = { has_title = title:e_deccan }
			destroy_title = title:e_deccan
		}
		if = {
			limit = { has_title = title:e_bengal }
			destroy_title = title:e_bengal
		}
	}
}

As written in game/common/scripted_effects/00_decisions_effects.txt.