Section 18 in The Standards of Quality of Service (Broadcasting and Cable Services) (Cable Television-Non-CAS Areas) Regulations, 2009
18.
(1)Every cable operator or multi-system operator, as the case may be, shall maintain such technical standards of signals in its entire cable television network as may, from time-to-time, be published by the Bureau of Indian Standards in accordance with the provisions of the Bureau of Indian Standards Act, 1986 (63 of 1986) for cable television networks.(2)Without prejudice to the foregoing provisions, all cable operators and multi-system operators, as the case may be, shall, in their networks, also ensure compliance with BIS Standard IS-13420, Part I (Revised), or any other standard as may, from time-to-time, be specified by the Bureau of Indian Standards in accordance with the provisions of the Bureau of Indian Standards Act, 1986 (63 of 1986) relating to system performance in cable television networks and shall further ensure quality of signals at the end of the cable subscriber's premises fulfilling the following minimum requirements, namely:-(i) C/N > 44 dB(ii)Minimum Carrier level 60 dB (µV)(iii)Maximum Carrier level 80 dB (µV)(iv)Slope(v) X-Mod>57dB(vi)CSO>57dB:Provided that, as and when the Bureau of Indian Standards specifies any other technical standards in accordance with the provisions of the Bureau of Indian Standards Act, 1986 (63 of 1986) as to the quality of signals at the end of the subscriber's premises in cable television networks, the minimum requirements as to quality of signals at the end of the subscriber's premises as specified in this sub-regulation shall no longer be applicable. Explanation. -For the purpose of this sub-regulation,-(i) "C/N" means Carrier to Noise ratio;(ii)"CSO" means Composite Second Order Interference;(iii)"X-Mod" means cross modulation; and(iv)"Slope" is caused by 'Skin Effect', wherein signal attenuation increases with frequency of the channel.
