I think Indian has specific plan for cruise missile detection and interception.
As far as detection is concerned, following radars could be used foe long range detection..............remember most of the parts between India and Pakistan is desert and Plain apart from Kashmir like the plains of Punjab and Sindh. Here , the detection at long ranges is relatively easy with.........
1. Israeli Aerostats...............EL/M 2083 radar with range 500km......Elta Systems EL/M-2083 Aerostat Programmable Radar (APR) is derived from the company's L-band (1 to 2 GHz) EL/L-2080 'Green Pine' ground-based, phased-array, search, acquisition and fire-control radar and is described as being a 3-D sensor that can acquire and track targets at both "high" and "low" altitudes, with the latter height band including targets such as cruise missiles, unmanned aerial vehicles and microlights being used by special forces or terrorists.
2. Arudhra MPR...........The Arudra radar has a range of 300 kilometers, twice the range of the 3D Rohini radar (150 km). With advanced "electronic counter-counter measures", the new radar being inducted will be integrated into the IACCS (integrated air command and control system). The IACCS is a fully-automated network being established to integrate the wide array of military radars with each other as well as with civilian radars.
At short range the detection and interception could be by.......
1. Rajendra Radar with The Akash SAM.........................in fact Akash has been tested several times for crusie missile interception with Lakshya PTA mimicking a terrain hugging cruise missile. Interception range 25 to 30 kms . Detection range 60 to 100 kms.
2. Spyder SAM with Elta EL/M-2106 ATAR 3D surveillance radar which can detect a moving object in a clutter ............operation range 15-20 kms..............these are specifically purchased by IAF to safeguard high value targets against cruise missiles and fighter Planes.
3. Systems like Tunguska could be useful at short ranges.
Future systems which are in development include............
1. AAD
2. Barack NG/Barack 8
3. Akash 2
4. Maitre with France.
the entire India Pakistan region in our side is being covered by a network of Aerostats, Long range radars, Medium range and short range radars with SAM cover for vital installations.