The cabinet of Delhi government has recently gave 'go ahead' to the fourth phase of DMRC entailing a staggering investment of Rs.50,000 crore, said Deputy CM, Manish Sisodia, adding that the fourth phase will have six new routes with a total length of around 103 km, and will be completed in six years. This phase will provide the commuters a better connectivity with outer parts of the city and also to the Delhi Airport once the construction begins, following approval by the Union government. This phase of metro is future-oriented as it will cover those routes where traffic problems exist or are expected to surface in the future. The Phase-IV will comprise a 67 km elevated route and would add 79 stations to the metro network of which, 50 will be elevated. The six new lines which will connect outer Delhi and Aero City include Rithala-Bawana-Narela, Janakpuri West-R K Ashram, Mukundpur-Maujpur, Inderlok-Indraprastha, Lajpat Nagar-Saket G-block, and Aero City-Tughlakabad.
He said that the total length of Rithala-Bawana-Narela line will be 21.73 km with 16 stations while the 12.54 km long Mukundpur-Maujpur metro line will have six metro stations - all elevated. The Janakpuri West-R K Ashram metro stretch will be 28.92 km with 18 elevated and seven underground metro stations. The length of Inderlok-Indraprastha metro line will be 12.58 km with 10 stations - all underground. The 20.20 km long Aero City-Tughlakabad line will have 10 underground and five elevated metro stations, while the Lajpat Nagar-Saket G-block metro stretch will be 7.96 km long and have one underground and five elevated station and one station will be at grade (on the ground level). The cost of Rithala-Bawana-Narela metro line will be Rs.7, 836 crore and for Mukundpur-Maujpur, it will be Rs. 4,476 crore. The capital cost of Janakpuri West-R K Ashram metro stretch will be Rs. 14,522 crore, Inderlok-Indraprastha metro line will cost Rs.8,421 crore. Similarly, the cost of Aero City-Tughlakabad line will be Rs. 11,330 crore while Lajpat Nagar-Saket G-block metro stretch entails Rs.3, 018 crore investments, he claimed.