Questions

ESTRANGE means cause (someone) to be no longer on friendly terms with someone. Alienate also means same - make (someone) feel isolated or estranged.

After the Mumbai attacks in 2008, there has been a paradigm shift in the maritime security apparatus that increased emphasis on surveillance, intelligence gathering and information sharing amongst the various stakeholders to ensure an effective response to any emerging situation. In Feb 2009, the Indian Coast Guard (ICG) was additionally designated as the authority responsible for coastal security in territorial waters, including areas to be patrolled by the Coastal Police.

The Coast Guard is also responsible for overall coordination between Central and State agencies in matters relating to Coastal Security.In order to achieve near gap-free surveillance of the entire coastline, 38 additional Radar Stations and 08 Mobile Surveillance Systems are being installed.

‘Prefer’ is followed by the gerund form of the verb. Thus, ‘spend’ needs to be replaced with ‘spending’ to make the sentence grammatically correct. Thus, the correct sentence would be, ‘Though he is a gifted comedian, he prefers spending his spare time watching horror movies.