(a) whether there is any proposal to extend the Delhi Metro services from Dilshad Garden to Mohan Nagar in Ghaziabad and Vaishali to Indirapuram;
(b) if so, whether DPR for the same has been prepared and approved by the Delhi Metro Rail Corporation (DMRC) / Central Government;
(c) if so, the details thereof;
(d) whether the DMRC has undertaken any study for soil testing for the same; and
(e) if so, the expenditure incurred on the preparation of the DPR and the details of final course of action decided by the Government?