Alchemist Holdings Limited — Non refunding of Money after maturity of Redeemable preference shares

Address:

1511 HEMKUNT CHAMBERS, 89 NEHRU PLACE , NEW DELHI New Delhi DL 110019 IN

Dear Sir/ Madam,
My Father Ranjan Kumar Mondal was invested INR 30000 through Redeemable preference shares through Toubro Holdings Limited, The Company has newly named Alchemist Holdings Limited, We are not getting our refund after maturity. Investment was done 18.08.2004. Maturity date is 30.12.2019. But still not received any return. Kindly help on this.
Thanks for your support.