Hello srikanthmedisetty1.5616173611852678E12 (zumi solutions)
I would strongly suggest to switch to STM32MP157C-DK2 board which already have the WIFI/Bluetooh and Display on the top of an updated silicon product version.
There's no possibility to buy add-on modules separately, however you can still purshase them at the manufacturer/supplier directly.
Wifi/Bluetooth: LBEE5KL1DX-883
For the dauther board (LCD display) you can find the schematics here:
https://www.st.com/resource/en/schematic_pack/mb1407-lcd-c01_schematic.pdf
Best Regards,
Olivier
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