Navi Mumbai is a planned township of Mumbai on the west coast of the Indian state of Maharashtra.
 It was developed in 1972 as a new urban township of Mumbai.
 The population of Navi Mumbai has reached 1,119,477 per the 2011 provisional census.
 Navi Mumbai is known as the 'Satellite City' of Mumbai.
Kalamboli is one of the nodes of Navi Mumbai.
 It is a transportation hub, being situated at the junction of the Sion-Panvel Highway, NH 4, Panvel By-Pass, NH 17 and Mumbai-Pune Expressway and is among the biggest iron and steel delivery centers in India.
 The township, like the rest of Navi Mumbai, is divided into sectors, which are further divided into plots.
 The residential and commercial areas of Kalamboli are divided by the NH 4 highway.
 Roadpali, a village to the north of Kalamboli, is developing at a faster rate than the latter with many residential projects coming up due to availability of land.
 Roadpali is located along the Taloja Link Road.
 Kalamboli also houses the Navi Mumbai Police Headquarters.
 CIDCO is the nodal administrative body for Kalamboli node.
 Kalamboli also has a Sewage Water Treatment Plant owned by CIDCO.
 Kalamboli is now governed by Panvel Municipal Corporation.
 The terminal of Mumbai-Pune Expressway is at Kalamboli.
 It also has Navi Mumbai's largest marble market alongside the Sion Panvel Highway.
Reliance Communications Ltd. (stylised as RCom) is an Indian telecommunications company headquartered in Navi Mumbai, India.
 It provides GSM (Voice; 2G, 3G, 4G) mobile services, fixed line broadband and voice services, and Direct-To-Home (DTH) services, depending upon the areas of operation.
 Reliance Communications is the sixth largest telecom operator in India with 85.4 million subscribers, as of May 2017.
 RCom is a subsidiary of Reliance Anil Dhirubhai Ambani Group.
Dhirubhai Ambani Knowledge City, often abbreviated as DAKC, is a technology park located on Thane–Belapur road near Kopar Khairane in Navi Mumbai, India.
 Spread over 56 hectares, it was completed in 2002.
 The city is named after the famous Indian industrialist Dhirubhai Ambani and is owned by the Reliance ADA Group and houses a 24-hour National Network Operations Centre (NNOC) along with more than 25,000 employees working primarily for Reliance Communications division.
The Vikhroli-Kopar Khairne Link Road (VKLR), also known as the JVLR-Kopar Khairane-Ghansoli Bridge, is a proposed 7.5 km to 10 km, freeway grade road bridge connecting the Indian city of Mumbai with Navi Mumbai, its satellite city.
 The new link road would start at Eastern Express Highway (EEH) where Jogeshwari- Vikhroli Link Road (JVLR) ends in Vikhroli, then cross Thane Creek and Harbour railway line and will terminate at Kopar Khairane in Navi Mumbai before ending on Thane- Belapur road.
 The link would be a six-lane road of about 10 km in length including a 2 km bridge over the Thane creek.
 At present motorists have to take either the Vashi bridge or Mulund-Airoli bridge to go to Navi Mumbai and Pune.
 The new road will help motorists save time and fuel.
Navi Mumbai (IPA:Navī Mumba'ī) or New Bombay is a planned township of Mumbai off the west coast of the Indian state of Maharashtra in Konkan division.
 The city is divided into two parts, North Navi Mumbai and South Navi Mumbai, for the individual development of Panvel Mega City, which includes the area from Kharghar to Uran.
 Navi Mumbai has a population of 1,119,477 as per the 2011 provisional census.
The Navi Mumbai Metro is a rapid transit system under construction in the Indian city of Navi Mumbai, Maharashtra.
 The planning and construction of the Navi Mumbai Metro is being overseen by the City and Industrial Development Corporation (CIDCO).
 The system is planned to consist of three rail lines covering a total distance of 106.4 km .
 The foundation stone for the project was laid on 1 May 2011; following construction delays, the metro's first line is projected to open in May 2018.
 The metro's technological infrastructure and rolling stock are being provided by Ansaldo STS, Tata Projects and CSR Zhuzhou.
The Central Business District of Belapur (C.B.D Belapur) is a node of Navi Mumbai.
 The Navi Mumbai Municipal Corporation is headquartered in Belapur.
 The Reserve Bank of India maintains a branch office at CBD Belapur.
 This area is one of the fastest developing region in Navi Mumbai in terms of new residential and commercial construction projects.
 CBD Belapur is connected to other parts of Mumbai through railways, BEST & NMMT buses.
 It had a ferry service for traveling to Elephanta caves from Sector-11.
Airoli is a residential and commercial dormitory area of Navi Mumbai in the Indian state of Maharashtra.
 Airoli is a part of the Mumbai Metropolitan Region and is administered by Navi Mumbai Municipal Corporation.
 Connected to Mulund via Mulund Airoli bridge, to Thane by Kalwa bridge & rest of Navi Mumbai via Thane Belapur Highway, Airoli has emerged as one of the best town to live in Navi Mumbai.
Kendriya Vihar, is a housing complex in Kharghar, Navi Mumbai developed by CGEWHO (Central Government Employees Welfare Housing Organisation), an autonomous society of Central Government, which takes care of housing of Central Government employees across India.
 It is the biggest project of CGEWHO and is one of the best colonies in Navi Mumbai.
 Mostly central government present and retired employees reside there.
 It has open space and recreational facilities such as gardens, children play area, etc.

Question: What is the name of the technology park with 25,000 employees working for an Indian telecommunications company headquartered in Navi Mumbai, India?
Answer: Dhirubhai Ambani Knowledge City