SBC - Kranti Veera Sangolli Rayanna Bengaluru: Station in Garden - Dinesh Kumar

Hello,
I had planned my journey from KRMI to CSTM in Konkan Kanya Express. However, due to certain reasons, it was divided in 2 parts, both were e-tickets booked on IRCTC -
Ticket No. 1 - KRMI to Ratnagiri RN which was confirmed in 3AC
Ticket No. 2 - RN to CSTM which was WL in 3AC and the final status also ended being...
more...

in WL
Question 1 - Will I get the refund automatically for ticket no. 2 from IRCTC or do I need to take some action ?
Question 2 - Can I file TDR for the 1st ticket as I did not travel owing to the connecting ticket not getting confirmed - If yes, till what time and under what reason should i file the TDR and if no, is there any other way to get some refund ?